Home / 60,820.76-91,235.93-21,386.72

Finding the Fourth Proportional to 60,820.76, 91,235.93 and 21,386.72

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Solution

The fourth proportional to 60,820.76, 91,235.93 and 21,386.72 is: 32,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,820.76 : 91,235.93 = 21,386.72 : x
  2. Step 2: Convert to fraction form
    60,820.76/91,235.93 = 21,386.72/x
  3. Step 3: Cross multiply
    60,820.76x = 91,235.93 × 21,386.72
  4. Step 4: Simplify right side
    60,820.76x = 1,951,236,725.74
  5. Step 5: Solve for x
    x = 1,951,236,725.74/60,820.76
  6. Step 6: Final answer
    x = 32,081.76

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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.