Home / 56,512.29-77,987.61-35,303.88

Finding the Fourth Proportional to 56,512.29, 77,987.61 and 35,303.88

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Solution

The fourth proportional to 56,512.29, 77,987.61 and 35,303.88 is: 48,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512.29 : 77,987.61 = 35,303.88 : x
  2. Step 2: Convert to fraction form
    56,512.29/77,987.61 = 35,303.88/x
  3. Step 3: Cross multiply
    56,512.29x = 77,987.61 × 35,303.88
  4. Step 4: Simplify right side
    56,512.29x = 2,753,265,224.93
  5. Step 5: Solve for x
    x = 2,753,265,224.93/56,512.29
  6. Step 6: Final answer
    x = 48,719.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.