Home / 51,591.48-77,365.38-18,319.92

Finding the Fourth Proportional to 51,591.48, 77,365.38 and 18,319.92

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Solution

The fourth proportional to 51,591.48, 77,365.38 and 18,319.92 is: 27,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,591.48 : 77,365.38 = 18,319.92 : x
  2. Step 2: Convert to fraction form
    51,591.48/77,365.38 = 18,319.92/x
  3. Step 3: Cross multiply
    51,591.48x = 77,365.38 × 18,319.92
  4. Step 4: Simplify right side
    51,591.48x = 1,417,327,572.37
  5. Step 5: Solve for x
    x = 1,417,327,572.37/51,591.48
  6. Step 6: Final answer
    x = 27,472.12

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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.