Home / 38,984.18-53,798.06-21,079.13

Finding the Fourth Proportional to 38,984.18, 53,798.06 and 21,079.13

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Solution

The fourth proportional to 38,984.18, 53,798.06 and 21,079.13 is: 29,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984.18 : 53,798.06 = 21,079.13 : x
  2. Step 2: Convert to fraction form
    38,984.18/53,798.06 = 21,079.13/x
  3. Step 3: Cross multiply
    38,984.18x = 53,798.06 × 21,079.13
  4. Step 4: Simplify right side
    38,984.18x = 1,134,016,195.09
  5. Step 5: Solve for x
    x = 1,134,016,195.09/38,984.18
  6. Step 6: Final answer
    x = 29,089.14

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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.