Home / 40,035.83-55,248.64-22,131.59

Finding the Fourth Proportional to 40,035.83, 55,248.64 and 22,131.59

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Solution

The fourth proportional to 40,035.83, 55,248.64 and 22,131.59 is: 30,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,035.83 : 55,248.64 = 22,131.59 : x
  2. Step 2: Convert to fraction form
    40,035.83/55,248.64 = 22,131.59/x
  3. Step 3: Cross multiply
    40,035.83x = 55,248.64 × 22,131.59
  4. Step 4: Simplify right side
    40,035.83x = 1,222,739,916.97
  5. Step 5: Solve for x
    x = 1,222,739,916.97/40,035.83
  6. Step 6: Final answer
    x = 30,541.14

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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.