Home / 59,145.28-88,731.91-19,164.20

Finding the Fourth Proportional to 59,145.28, 88,731.91 and 19,164.20

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Solution

The fourth proportional to 59,145.28, 88,731.91 and 19,164.20 is: 28,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,145.28 : 88,731.91 = 19,164.20 : x
  2. Step 2: Convert to fraction form
    59,145.28/88,731.91 = 19,164.20/x
  3. Step 3: Cross multiply
    59,145.28x = 88,731.91 × 19,164.20
  4. Step 4: Simplify right side
    59,145.28x = 1,700,475,886.84
  5. Step 5: Solve for x
    x = 1,700,475,886.84/59,145.28
  6. Step 6: Final answer
    x = 28,750.83

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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.