Home / 51,705.18-77,565.11-16,636.68

Finding the Fourth Proportional to 51,705.18, 77,565.11 and 16,636.68

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Solution

The fourth proportional to 51,705.18, 77,565.11 and 16,636.68 is: 24,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.18 : 77,565.11 = 16,636.68 : x
  2. Step 2: Convert to fraction form
    51,705.18/77,565.11 = 16,636.68/x
  3. Step 3: Cross multiply
    51,705.18x = 77,565.11 × 16,636.68
  4. Step 4: Simplify right side
    51,705.18x = 1,290,425,831.05
  5. Step 5: Solve for x
    x = 1,290,425,831.05/51,705.18
  6. Step 6: Final answer
    x = 24,957.38

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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.