Home / 40,925.13-61,416.86-18,724.65

Finding the Fourth Proportional to 40,925.13, 61,416.86 and 18,724.65

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Solution

The fourth proportional to 40,925.13, 61,416.86 and 18,724.65 is: 28,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,925.13 : 61,416.86 = 18,724.65 : x
  2. Step 2: Convert to fraction form
    40,925.13/61,416.86 = 18,724.65/x
  3. Step 3: Cross multiply
    40,925.13x = 61,416.86 × 18,724.65
  4. Step 4: Simplify right side
    40,925.13x = 1,150,009,113.98
  5. Step 5: Solve for x
    x = 1,150,009,113.98/40,925.13
  6. Step 6: Final answer
    x = 28,100.32

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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.