Home / 20,565.79-30,848.70-4,983.43

Finding the Fourth Proportional to 20,565.79, 30,848.70 and 4,983.43

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Solution

The fourth proportional to 20,565.79, 30,848.70 and 4,983.43 is: 7,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.79 : 30,848.70 = 4,983.43 : x
  2. Step 2: Convert to fraction form
    20,565.79/30,848.70 = 4,983.43/x
  3. Step 3: Cross multiply
    20,565.79x = 30,848.70 × 4,983.43
  4. Step 4: Simplify right side
    20,565.79x = 153,732,337.04
  5. Step 5: Solve for x
    x = 153,732,337.04/20,565.79
  6. Step 6: Final answer
    x = 7,475.15

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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.