Home / 42,366.74-63,551.75-12,784.55

Finding the Fourth Proportional to 42,366.74, 63,551.75 and 12,784.55

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Solution

The fourth proportional to 42,366.74, 63,551.75 and 12,784.55 is: 19,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366.74 : 63,551.75 = 12,784.55 : x
  2. Step 2: Convert to fraction form
    42,366.74/63,551.75 = 12,784.55/x
  3. Step 3: Cross multiply
    42,366.74x = 63,551.75 × 12,784.55
  4. Step 4: Simplify right side
    42,366.74x = 812,480,143.78
  5. Step 5: Solve for x
    x = 812,480,143.78/42,366.74
  6. Step 6: Final answer
    x = 19,177.31

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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.