Home / 58,871.28-88,279.20-21,405.04

Finding the Fourth Proportional to 58,871.28, 88,279.20 and 21,405.04

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Solution

The fourth proportional to 58,871.28, 88,279.20 and 21,405.04 is: 32,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,871.28 : 88,279.20 = 21,405.04 : x
  2. Step 2: Convert to fraction form
    58,871.28/88,279.20 = 21,405.04/x
  3. Step 3: Cross multiply
    58,871.28x = 88,279.20 × 21,405.04
  4. Step 4: Simplify right side
    58,871.28x = 1,889,619,807.17
  5. Step 5: Solve for x
    x = 1,889,619,807.17/58,871.28
  6. Step 6: Final answer
    x = 32,097.48

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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.