Home / 29,402.32-40,574.71-15,973.78

Finding the Fourth Proportional to 29,402.32, 40,574.71 and 15,973.78

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Solution

The fourth proportional to 29,402.32, 40,574.71 and 15,973.78 is: 22,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,402.32 : 40,574.71 = 15,973.78 : x
  2. Step 2: Convert to fraction form
    29,402.32/40,574.71 = 15,973.78/x
  3. Step 3: Cross multiply
    29,402.32x = 40,574.71 × 15,973.78
  4. Step 4: Simplify right side
    29,402.32x = 648,131,491.10
  5. Step 5: Solve for x
    x = 648,131,491.10/29,402.32
  6. Step 6: Final answer
    x = 22,043.55

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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.