Home / 42,461.78-63,701.73-14,380.85

Finding the Fourth Proportional to 42,461.78, 63,701.73 and 14,380.85

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Solution

The fourth proportional to 42,461.78, 63,701.73 and 14,380.85 is: 21,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,461.78 : 63,701.73 = 14,380.85 : x
  2. Step 2: Convert to fraction form
    42,461.78/63,701.73 = 14,380.85/x
  3. Step 3: Cross multiply
    42,461.78x = 63,701.73 × 14,380.85
  4. Step 4: Simplify right side
    42,461.78x = 916,085,252.48
  5. Step 5: Solve for x
    x = 916,085,252.48/42,461.78
  6. Step 6: Final answer
    x = 21,574.35

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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.