Home / 63,436.38-87,542.21-35,143.89

Finding the Fourth Proportional to 63,436.38, 87,542.21 and 35,143.89

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Solution

The fourth proportional to 63,436.38, 87,542.21 and 35,143.89 is: 48,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,436.38 : 87,542.21 = 35,143.89 : x
  2. Step 2: Convert to fraction form
    63,436.38/87,542.21 = 35,143.89/x
  3. Step 3: Cross multiply
    63,436.38x = 87,542.21 × 35,143.89
  4. Step 4: Simplify right side
    63,436.38x = 3,076,573,798.60
  5. Step 5: Solve for x
    x = 3,076,573,798.60/63,436.38
  6. Step 6: Final answer
    x = 48,498.57

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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.