Home / 38,275.31-52,821.08-21,046.79

Finding the Fourth Proportional to 38,275.31, 52,821.08 and 21,046.79

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Solution

The fourth proportional to 38,275.31, 52,821.08 and 21,046.79 is: 29,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.31 : 52,821.08 = 21,046.79 : x
  2. Step 2: Convert to fraction form
    38,275.31/52,821.08 = 21,046.79/x
  3. Step 3: Cross multiply
    38,275.31x = 52,821.08 × 21,046.79
  4. Step 4: Simplify right side
    38,275.31x = 1,111,713,808.99
  5. Step 5: Solve for x
    x = 1,111,713,808.99/38,275.31
  6. Step 6: Final answer
    x = 29,045.19

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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.