Home / 60,991.38-84,152.12-38,039.40

Finding the Fourth Proportional to 60,991.38, 84,152.12 and 38,039.40

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Solution

The fourth proportional to 60,991.38, 84,152.12 and 38,039.40 is: 52,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,991.38 : 84,152.12 = 38,039.40 : x
  2. Step 2: Convert to fraction form
    60,991.38/84,152.12 = 38,039.40/x
  3. Step 3: Cross multiply
    60,991.38x = 84,152.12 × 38,039.40
  4. Step 4: Simplify right side
    60,991.38x = 3,201,095,963.33
  5. Step 5: Solve for x
    x = 3,201,095,963.33/60,991.38
  6. Step 6: Final answer
    x = 52,484.40

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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.