Home / 39,724.72-59,587.02-10,142.56

Finding the Fourth Proportional to 39,724.72, 59,587.02 and 10,142.56

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Solution

The fourth proportional to 39,724.72, 59,587.02 and 10,142.56 is: 15,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.72 : 59,587.02 = 10,142.56 : x
  2. Step 2: Convert to fraction form
    39,724.72/59,587.02 = 10,142.56/x
  3. Step 3: Cross multiply
    39,724.72x = 59,587.02 × 10,142.56
  4. Step 4: Simplify right side
    39,724.72x = 604,364,925.57
  5. Step 5: Solve for x
    x = 604,364,925.57/39,724.72
  6. Step 6: Final answer
    x = 15,213.82

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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.