Home / 29,326.32-40,470.30-15,898.01

Finding the Fourth Proportional to 29,326.32, 40,470.30 and 15,898.01

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Solution

The fourth proportional to 29,326.32, 40,470.30 and 15,898.01 is: 21,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.32 : 40,470.30 = 15,898.01 : x
  2. Step 2: Convert to fraction form
    29,326.32/40,470.30 = 15,898.01/x
  3. Step 3: Cross multiply
    29,326.32x = 40,470.30 × 15,898.01
  4. Step 4: Simplify right side
    29,326.32x = 643,397,031.75
  5. Step 5: Solve for x
    x = 643,397,031.75/29,326.32
  6. Step 6: Final answer
    x = 21,939.24

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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.