Home / 39,431.56-59,114.67-15,724.48

Finding the Fourth Proportional to 39,431.56, 59,114.67 and 15,724.48

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Solution

The fourth proportional to 39,431.56, 59,114.67 and 15,724.48 is: 23,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.56 : 59,114.67 = 15,724.48 : x
  2. Step 2: Convert to fraction form
    39,431.56/59,114.67 = 15,724.48/x
  3. Step 3: Cross multiply
    39,431.56x = 59,114.67 × 15,724.48
  4. Step 4: Simplify right side
    39,431.56x = 929,547,446.12
  5. Step 5: Solve for x
    x = 929,547,446.12/39,431.56
  6. Step 6: Final answer
    x = 23,573.69

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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.