Home / 51,503.20-77,235.34-23,781.76

Finding the Fourth Proportional to 51,503.20, 77,235.34 and 23,781.76

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Solution

The fourth proportional to 51,503.20, 77,235.34 and 23,781.76 is: 35,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.20 : 77,235.34 = 23,781.76 : x
  2. Step 2: Convert to fraction form
    51,503.20/77,235.34 = 23,781.76/x
  3. Step 3: Cross multiply
    51,503.20x = 77,235.34 × 23,781.76
  4. Step 4: Simplify right side
    51,503.20x = 1,836,792,319.40
  5. Step 5: Solve for x
    x = 1,836,792,319.40/51,503.20
  6. Step 6: Final answer
    x = 35,663.65

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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.