Home / 43,140.75-59,529.99-31,816.34

Finding the Fourth Proportional to 43,140.75, 59,529.99 and 31,816.34

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Solution

The fourth proportional to 43,140.75, 59,529.99 and 31,816.34 is: 43,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.75 : 59,529.99 = 31,816.34 : x
  2. Step 2: Convert to fraction form
    43,140.75/59,529.99 = 31,816.34/x
  3. Step 3: Cross multiply
    43,140.75x = 59,529.99 × 31,816.34
  4. Step 4: Simplify right side
    43,140.75x = 1,894,026,602.82
  5. Step 5: Solve for x
    x = 1,894,026,602.82/43,140.75
  6. Step 6: Final answer
    x = 43,903.42

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Double scale
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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.