Home / 38,742.66-53,496.27-31,573.62

Finding the Fourth Proportional to 38,742.66, 53,496.27 and 31,573.62

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Solution

The fourth proportional to 38,742.66, 53,496.27 and 31,573.62 is: 43,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.66 : 53,496.27 = 31,573.62 : x
  2. Step 2: Convert to fraction form
    38,742.66/53,496.27 = 31,573.62/x
  3. Step 3: Cross multiply
    38,742.66x = 53,496.27 × 31,573.62
  4. Step 4: Simplify right side
    38,742.66x = 1,689,070,900.40
  5. Step 5: Solve for x
    x = 1,689,070,900.40/38,742.66
  6. Step 6: Final answer
    x = 43,597.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.