Home / 42,556.45-63,842.28-14,475.07

Finding the Fourth Proportional to 42,556.45, 63,842.28 and 14,475.07

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Solution

The fourth proportional to 42,556.45, 63,842.28 and 14,475.07 is: 21,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,556.45 : 63,842.28 = 14,475.07 : x
  2. Step 2: Convert to fraction form
    42,556.45/63,842.28 = 14,475.07/x
  3. Step 3: Cross multiply
    42,556.45x = 63,842.28 × 14,475.07
  4. Step 4: Simplify right side
    42,556.45x = 924,121,471.96
  5. Step 5: Solve for x
    x = 924,121,471.96/42,556.45
  6. Step 6: Final answer
    x = 21,715.19

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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.