Home / 60,311.09-90,442.32-18,178.13

Finding the Fourth Proportional to 60,311.09, 90,442.32 and 18,178.13

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Solution

The fourth proportional to 60,311.09, 90,442.32 and 18,178.13 is: 27,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,311.09 : 90,442.32 = 18,178.13 : x
  2. Step 2: Convert to fraction form
    60,311.09/90,442.32 = 18,178.13/x
  3. Step 3: Cross multiply
    60,311.09x = 90,442.32 × 18,178.13
  4. Step 4: Simplify right side
    60,311.09x = 1,644,071,798.25
  5. Step 5: Solve for x
    x = 1,644,071,798.25/60,311.09
  6. Step 6: Final answer
    x = 27,259.86

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1.5x scale

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.