Home / 42,630.60-63,921.90-16,336.20

Finding the Fourth Proportional to 42,630.60, 63,921.90 and 16,336.20

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Solution

The fourth proportional to 42,630.60, 63,921.90 and 16,336.20 is: 24,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,630.60 : 63,921.90 = 16,336.20 : x
  2. Step 2: Convert to fraction form
    42,630.60/63,921.90 = 16,336.20/x
  3. Step 3: Cross multiply
    42,630.60x = 63,921.90 × 16,336.20
  4. Step 4: Simplify right side
    42,630.60x = 1,044,240,942.78
  5. Step 5: Solve for x
    x = 1,044,240,942.78/42,630.60
  6. Step 6: Final answer
    x = 24,495.10

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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.