Home / 63,631.12-95,430.88-21,510.28

Finding the Fourth Proportional to 63,631.12, 95,430.88 and 21,510.28

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Solution

The fourth proportional to 63,631.12, 95,430.88 and 21,510.28 is: 32,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,631.12 : 95,430.88 = 21,510.28 : x
  2. Step 2: Convert to fraction form
    63,631.12/95,430.88 = 21,510.28/x
  3. Step 3: Cross multiply
    63,631.12x = 95,430.88 × 21,510.28
  4. Step 4: Simplify right side
    63,631.12x = 2,052,744,949.45
  5. Step 5: Solve for x
    x = 2,052,744,949.45/63,631.12
  6. Step 6: Final answer
    x = 32,260.08

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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.