Home / 20,565.78-30,848.67-4,983.41

Finding the Fourth Proportional to 20,565.78, 30,848.67 and 4,983.41

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Solution

The fourth proportional to 20,565.78, 30,848.67 and 4,983.41 is: 7,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.78 : 30,848.67 = 4,983.41 : x
  2. Step 2: Convert to fraction form
    20,565.78/30,848.67 = 4,983.41/x
  3. Step 3: Cross multiply
    20,565.78x = 30,848.67 × 4,983.41
  4. Step 4: Simplify right side
    20,565.78x = 153,731,416.32
  5. Step 5: Solve for x
    x = 153,731,416.32/20,565.78
  6. Step 6: Final answer
    x = 7,475.11

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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.