Home / 56,726.56-85,078.86-21,657.88

Finding the Fourth Proportional to 56,726.56, 85,078.86 and 21,657.88

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Solution

The fourth proportional to 56,726.56, 85,078.86 and 21,657.88 is: 32,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.56 : 85,078.86 = 21,657.88 : x
  2. Step 2: Convert to fraction form
    56,726.56/85,078.86 = 21,657.88/x
  3. Step 3: Cross multiply
    56,726.56x = 85,078.86 × 21,657.88
  4. Step 4: Simplify right side
    56,726.56x = 1,842,627,740.42
  5. Step 5: Solve for x
    x = 1,842,627,740.42/56,726.56
  6. Step 6: Final answer
    x = 32,482.63

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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.