Home / 40,153.32-55,407.65-23,159.12

Finding the Fourth Proportional to 40,153.32, 55,407.65 and 23,159.12

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Solution

The fourth proportional to 40,153.32, 55,407.65 and 23,159.12 is: 31,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.32 : 55,407.65 = 23,159.12 : x
  2. Step 2: Convert to fraction form
    40,153.32/55,407.65 = 23,159.12/x
  3. Step 3: Cross multiply
    40,153.32x = 55,407.65 × 23,159.12
  4. Step 4: Simplify right side
    40,153.32x = 1,283,192,022.43
  5. Step 5: Solve for x
    x = 1,283,192,022.43/40,153.32
  6. Step 6: Final answer
    x = 31,957.31

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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.