Home / 67,626.47-93,331.51-38,947.07

Finding the Fourth Proportional to 67,626.47, 93,331.51 and 38,947.07

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Solution

The fourth proportional to 67,626.47, 93,331.51 and 38,947.07 is: 53,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,626.47 : 93,331.51 = 38,947.07 : x
  2. Step 2: Convert to fraction form
    67,626.47/93,331.51 = 38,947.07/x
  3. Step 3: Cross multiply
    67,626.47x = 93,331.51 × 38,947.07
  4. Step 4: Simplify right side
    67,626.47x = 3,634,988,989.14
  5. Step 5: Solve for x
    x = 3,634,988,989.14/67,626.47
  6. Step 6: Final answer
    x = 53,750.98

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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.