Home / 42,623.70-63,932.86-13,039.18

Finding the Fourth Proportional to 42,623.70, 63,932.86 and 13,039.18

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Solution

The fourth proportional to 42,623.70, 63,932.86 and 13,039.18 is: 19,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.70 : 63,932.86 = 13,039.18 : x
  2. Step 2: Convert to fraction form
    42,623.70/63,932.86 = 13,039.18/x
  3. Step 3: Cross multiply
    42,623.70x = 63,932.86 × 13,039.18
  4. Step 4: Simplify right side
    42,623.70x = 833,632,069.45
  5. Step 5: Solve for x
    x = 833,632,069.45/42,623.70
  6. Step 6: Final answer
    x = 19,557.95

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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.