Home / 35,507.71-53,261.50-20,706.25

Finding the Fourth Proportional to 35,507.71, 53,261.50 and 20,706.25

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Solution

The fourth proportional to 35,507.71, 53,261.50 and 20,706.25 is: 31,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,507.71 : 53,261.50 = 20,706.25 : x
  2. Step 2: Convert to fraction form
    35,507.71/53,261.50 = 20,706.25/x
  3. Step 3: Cross multiply
    35,507.71x = 53,261.50 × 20,706.25
  4. Step 4: Simplify right side
    35,507.71x = 1,102,845,888.15
  5. Step 5: Solve for x
    x = 1,102,845,888.15/35,507.71
  6. Step 6: Final answer
    x = 31,059.33

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.