Home / 56,106.39-77,400.72-33,432.66

Finding the Fourth Proportional to 56,106.39, 77,400.72 and 33,432.66

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Solution

The fourth proportional to 56,106.39, 77,400.72 and 33,432.66 is: 46,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,106.39 : 77,400.72 = 33,432.66 : x
  2. Step 2: Convert to fraction form
    56,106.39/77,400.72 = 33,432.66/x
  3. Step 3: Cross multiply
    56,106.39x = 77,400.72 × 33,432.66
  4. Step 4: Simplify right side
    56,106.39x = 2,587,711,955.52
  5. Step 5: Solve for x
    x = 2,587,711,955.52/56,106.39
  6. Step 6: Final answer
    x = 46,121.52

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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.