Home / 51,572.17-77,430.12-26,630.22

Finding the Fourth Proportional to 51,572.17, 77,430.12 and 26,630.22

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Solution

The fourth proportional to 51,572.17, 77,430.12 and 26,630.22 is: 39,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572.17 : 77,430.12 = 26,630.22 : x
  2. Step 2: Convert to fraction form
    51,572.17/77,430.12 = 26,630.22/x
  3. Step 3: Cross multiply
    51,572.17x = 77,430.12 × 26,630.22
  4. Step 4: Simplify right side
    51,572.17x = 2,061,981,130.23
  5. Step 5: Solve for x
    x = 2,061,981,130.23/51,572.17
  6. Step 6: Final answer
    x = 39,982.44

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Double scale
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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.