Home / 42,207.76-58,225.32-39,206.08

Finding the Fourth Proportional to 42,207.76, 58,225.32 and 39,206.08

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Solution

The fourth proportional to 42,207.76, 58,225.32 and 39,206.08 is: 54,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.76 : 58,225.32 = 39,206.08 : x
  2. Step 2: Convert to fraction form
    42,207.76/58,225.32 = 39,206.08/x
  3. Step 3: Cross multiply
    42,207.76x = 58,225.32 × 39,206.08
  4. Step 4: Simplify right side
    42,207.76x = 2,282,786,553.95
  5. Step 5: Solve for x
    x = 2,282,786,553.95/42,207.76
  6. Step 6: Final answer
    x = 54,084.52

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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.