Home / 53,864.64-74,331.90-29,990.82

Finding the Fourth Proportional to 53,864.64, 74,331.90 and 29,990.82

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Solution

The fourth proportional to 53,864.64, 74,331.90 and 29,990.82 is: 41,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,864.64 : 74,331.90 = 29,990.82 : x
  2. Step 2: Convert to fraction form
    53,864.64/74,331.90 = 29,990.82/x
  3. Step 3: Cross multiply
    53,864.64x = 74,331.90 × 29,990.82
  4. Step 4: Simplify right side
    53,864.64x = 2,229,274,633.16
  5. Step 5: Solve for x
    x = 2,229,274,633.16/53,864.64
  6. Step 6: Final answer
    x = 41,386.61

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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.