Home / 40,483.08-60,724.98-14,187.78

Finding the Fourth Proportional to 40,483.08, 60,724.98 and 14,187.78

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Solution

The fourth proportional to 40,483.08, 60,724.98 and 14,187.78 is: 21,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,483.08 : 60,724.98 = 14,187.78 : x
  2. Step 2: Convert to fraction form
    40,483.08/60,724.98 = 14,187.78/x
  3. Step 3: Cross multiply
    40,483.08x = 60,724.98 × 14,187.78
  4. Step 4: Simplify right side
    40,483.08x = 861,552,656.74
  5. Step 5: Solve for x
    x = 861,552,656.74/40,483.08
  6. Step 6: Final answer
    x = 21,281.80

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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.