Home / 42,149.57-63,255.53-19,962.98

Finding the Fourth Proportional to 42,149.57, 63,255.53 and 19,962.98

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Solution

The fourth proportional to 42,149.57, 63,255.53 and 19,962.98 is: 29,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,149.57 : 63,255.53 = 19,962.98 : x
  2. Step 2: Convert to fraction form
    42,149.57/63,255.53 = 19,962.98/x
  3. Step 3: Cross multiply
    42,149.57x = 63,255.53 × 19,962.98
  4. Step 4: Simplify right side
    42,149.57x = 1,262,768,880.28
  5. Step 5: Solve for x
    x = 1,262,768,880.28/42,149.57
  6. Step 6: Final answer
    x = 29,959.24

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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.