Home / 53,186.86-79,781.13-15,750.74

Finding the Fourth Proportional to 53,186.86, 79,781.13 and 15,750.74

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Solution

The fourth proportional to 53,186.86, 79,781.13 and 15,750.74 is: 23,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.86 : 79,781.13 = 15,750.74 : x
  2. Step 2: Convert to fraction form
    53,186.86/79,781.13 = 15,750.74/x
  3. Step 3: Cross multiply
    53,186.86x = 79,781.13 × 15,750.74
  4. Step 4: Simplify right side
    53,186.86x = 1,256,611,541.92
  5. Step 5: Solve for x
    x = 1,256,611,541.92/53,186.86
  6. Step 6: Final answer
    x = 23,626.35

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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.