Home / 42,210.45-63,327.20-14,135.13

Finding the Fourth Proportional to 42,210.45, 63,327.20 and 14,135.13

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Solution

The fourth proportional to 42,210.45, 63,327.20 and 14,135.13 is: 21,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,210.45 : 63,327.20 = 14,135.13 : x
  2. Step 2: Convert to fraction form
    42,210.45/63,327.20 = 14,135.13/x
  3. Step 3: Cross multiply
    42,210.45x = 63,327.20 × 14,135.13
  4. Step 4: Simplify right side
    42,210.45x = 895,138,133.86
  5. Step 5: Solve for x
    x = 895,138,133.86/42,210.45
  6. Step 6: Final answer
    x = 21,206.55

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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.