Home / 29,390.97-40,565.99-19,320.33

Finding the Fourth Proportional to 29,390.97, 40,565.99 and 19,320.33

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Solution

The fourth proportional to 29,390.97, 40,565.99 and 19,320.33 is: 26,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.97 : 40,565.99 = 19,320.33 : x
  2. Step 2: Convert to fraction form
    29,390.97/40,565.99 = 19,320.33/x
  3. Step 3: Cross multiply
    29,390.97x = 40,565.99 × 19,320.33
  4. Step 4: Simplify right side
    29,390.97x = 783,748,405.32
  5. Step 5: Solve for x
    x = 783,748,405.32/29,390.97
  6. Step 6: Final answer
    x = 26,666.30

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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.