Home / 42,000.20-63,000.30-14,298.20

Finding the Fourth Proportional to 42,000.20, 63,000.30 and 14,298.20

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Solution

The fourth proportional to 42,000.20, 63,000.30 and 14,298.20 is: 21,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.20 : 63,000.30 = 14,298.20 : x
  2. Step 2: Convert to fraction form
    42,000.20/63,000.30 = 14,298.20/x
  3. Step 3: Cross multiply
    42,000.20x = 63,000.30 × 14,298.20
  4. Step 4: Simplify right side
    42,000.20x = 900,790,889.46
  5. Step 5: Solve for x
    x = 900,790,889.46/42,000.20
  6. Step 6: Final answer
    x = 21,447.30

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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.