Home / 40,061.76-55,280.52-22,156.86

Finding the Fourth Proportional to 40,061.76, 55,280.52 and 22,156.86

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Solution

The fourth proportional to 40,061.76, 55,280.52 and 22,156.86 is: 30,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,061.76 : 55,280.52 = 22,156.86 : x
  2. Step 2: Convert to fraction form
    40,061.76/55,280.52 = 22,156.86/x
  3. Step 3: Cross multiply
    40,061.76x = 55,280.52 × 22,156.86
  4. Step 4: Simplify right side
    40,061.76x = 1,224,842,742.37
  5. Step 5: Solve for x
    x = 1,224,842,742.37/40,061.76
  6. Step 6: Final answer
    x = 30,573.86

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1.5x scale

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.