Home / 63,430.59-87,534.22-38,280.09

Finding the Fourth Proportional to 63,430.59, 87,534.22 and 38,280.09

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Solution

The fourth proportional to 63,430.59, 87,534.22 and 38,280.09 is: 52,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430.59 : 87,534.22 = 38,280.09 : x
  2. Step 2: Convert to fraction form
    63,430.59/87,534.22 = 38,280.09/x
  3. Step 3: Cross multiply
    63,430.59x = 87,534.22 × 38,280.09
  4. Step 4: Simplify right side
    63,430.59x = 3,350,818,124.01
  5. Step 5: Solve for x
    x = 3,350,818,124.01/63,430.59
  6. Step 6: Final answer
    x = 52,826.53

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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.