Home / 42,360.76-63,496.81-14,271.11

Finding the Fourth Proportional to 42,360.76, 63,496.81 and 14,271.11

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Solution

The fourth proportional to 42,360.76, 63,496.81 and 14,271.11 is: 21,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.76 : 63,496.81 = 14,271.11 : x
  2. Step 2: Convert to fraction form
    42,360.76/63,496.81 = 14,271.11/x
  3. Step 3: Cross multiply
    42,360.76x = 63,496.81 × 14,271.11
  4. Step 4: Simplify right side
    42,360.76x = 906,170,077.21
  5. Step 5: Solve for x
    x = 906,170,077.21/42,360.76
  6. Step 6: Final answer
    x = 21,391.73

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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.