Home / 40,333.12-55,656.48-22,428.16

Finding the Fourth Proportional to 40,333.12, 55,656.48 and 22,428.16

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Solution

The fourth proportional to 40,333.12, 55,656.48 and 22,428.16 is: 30,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,333.12 : 55,656.48 = 22,428.16 : x
  2. Step 2: Convert to fraction form
    40,333.12/55,656.48 = 22,428.16/x
  3. Step 3: Cross multiply
    40,333.12x = 55,656.48 × 22,428.16
  4. Step 4: Simplify right side
    40,333.12x = 1,248,272,438.48
  5. Step 5: Solve for x
    x = 1,248,272,438.48/40,333.12
  6. Step 6: Final answer
    x = 30,949.07

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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.