Home / 40,035.53-55,248.05-22,130.07

Finding the Fourth Proportional to 40,035.53, 55,248.05 and 22,130.07

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Solution

The fourth proportional to 40,035.53, 55,248.05 and 22,130.07 is: 30,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,035.53 : 55,248.05 = 22,130.07 : x
  2. Step 2: Convert to fraction form
    40,035.53/55,248.05 = 22,130.07/x
  3. Step 3: Cross multiply
    40,035.53x = 55,248.05 × 22,130.07
  4. Step 4: Simplify right side
    40,035.53x = 1,222,643,213.86
  5. Step 5: Solve for x
    x = 1,222,643,213.86/40,035.53
  6. Step 6: Final answer
    x = 30,538.95

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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.