Home / 42,301.50-63,453.24-14,221.92

Finding the Fourth Proportional to 42,301.50, 63,453.24 and 14,221.92

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Solution

The fourth proportional to 42,301.50, 63,453.24 and 14,221.92 is: 21,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,301.50 : 63,453.24 = 14,221.92 : x
  2. Step 2: Convert to fraction form
    42,301.50/63,453.24 = 14,221.92/x
  3. Step 3: Cross multiply
    42,301.50x = 63,453.24 × 14,221.92
  4. Step 4: Simplify right side
    42,301.50x = 902,426,903.02
  5. Step 5: Solve for x
    x = 902,426,903.02/42,301.50
  6. Step 6: Final answer
    x = 21,333.21

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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.