Home / 40,309.51-60,490.61-15,349.80

Finding the Fourth Proportional to 40,309.51, 60,490.61 and 15,349.80

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Solution

The fourth proportional to 40,309.51, 60,490.61 and 15,349.80 is: 23,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.51 : 60,490.61 = 15,349.80 : x
  2. Step 2: Convert to fraction form
    40,309.51/60,490.61 = 15,349.80/x
  3. Step 3: Cross multiply
    40,309.51x = 60,490.61 × 15,349.80
  4. Step 4: Simplify right side
    40,309.51x = 928,518,929.86
  5. Step 5: Solve for x
    x = 928,518,929.86/40,309.51
  6. Step 6: Final answer
    x = 23,034.74

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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.