Home / 42,037.48-63,042.50-13,949.99

Finding the Fourth Proportional to 42,037.48, 63,042.50 and 13,949.99

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Solution

The fourth proportional to 42,037.48, 63,042.50 and 13,949.99 is: 20,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.48 : 63,042.50 = 13,949.99 : x
  2. Step 2: Convert to fraction form
    42,037.48/63,042.50 = 13,949.99/x
  3. Step 3: Cross multiply
    42,037.48x = 63,042.50 × 13,949.99
  4. Step 4: Simplify right side
    42,037.48x = 879,442,333.63
  5. Step 5: Solve for x
    x = 879,442,333.63/42,037.48
  6. Step 6: Final answer
    x = 20,920.43

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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.