Home / 42,149.16-63,256.40-15,877.80

Finding the Fourth Proportional to 42,149.16, 63,256.40 and 15,877.80

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Solution

The fourth proportional to 42,149.16, 63,256.40 and 15,877.80 is: 23,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,149.16 : 63,256.40 = 15,877.80 : x
  2. Step 2: Convert to fraction form
    42,149.16/63,256.40 = 15,877.80/x
  3. Step 3: Cross multiply
    42,149.16x = 63,256.40 × 15,877.80
  4. Step 4: Simplify right side
    42,149.16x = 1,004,372,467.92
  5. Step 5: Solve for x
    x = 1,004,372,467.92/42,149.16
  6. Step 6: Final answer
    x = 23,829.00

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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.