Home / 29,434.32-40,632.84-19,760.04

Finding the Fourth Proportional to 29,434.32, 40,632.84 and 19,760.04

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Solution

The fourth proportional to 29,434.32, 40,632.84 and 19,760.04 is: 27,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,434.32 : 40,632.84 = 19,760.04 : x
  2. Step 2: Convert to fraction form
    29,434.32/40,632.84 = 19,760.04/x
  3. Step 3: Cross multiply
    29,434.32x = 40,632.84 × 19,760.04
  4. Step 4: Simplify right side
    29,434.32x = 802,906,543.71
  5. Step 5: Solve for x
    x = 802,906,543.71/29,434.32
  6. Step 6: Final answer
    x = 27,277.90

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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.