Home / 42,079.92-63,106.10-13,992.23

Finding the Fourth Proportional to 42,079.92, 63,106.10 and 13,992.23

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Solution

The fourth proportional to 42,079.92, 63,106.10 and 13,992.23 is: 20,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,079.92 : 63,106.10 = 13,992.23 : x
  2. Step 2: Convert to fraction form
    42,079.92/63,106.10 = 13,992.23/x
  3. Step 3: Cross multiply
    42,079.92x = 63,106.10 × 13,992.23
  4. Step 4: Simplify right side
    42,079.92x = 882,995,153.41
  5. Step 5: Solve for x
    x = 882,995,153.41/42,079.92
  6. Step 6: Final answer
    x = 20,983.77

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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.