Home / 73,036.32-100,790.16-39,502.32

Finding the Fourth Proportional to 73,036.32, 100,790.16 and 39,502.32

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Solution

The fourth proportional to 73,036.32, 100,790.16 and 39,502.32 is: 54,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,036.32 : 100,790.16 = 39,502.32 : x
  2. Step 2: Convert to fraction form
    73,036.32/100,790.16 = 39,502.32/x
  3. Step 3: Cross multiply
    73,036.32x = 100,790.16 × 39,502.32
  4. Step 4: Simplify right side
    73,036.32x = 3,981,445,153.17
  5. Step 5: Solve for x
    x = 3,981,445,153.17/73,036.32
  6. Step 6: Final answer
    x = 54,513.22

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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.