Home / 38,079.18-52,547.54-21,082.22

Finding the Fourth Proportional to 38,079.18, 52,547.54 and 21,082.22

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Solution

The fourth proportional to 38,079.18, 52,547.54 and 21,082.22 is: 29,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.18 : 52,547.54 = 21,082.22 : x
  2. Step 2: Convert to fraction form
    38,079.18/52,547.54 = 21,082.22/x
  3. Step 3: Cross multiply
    38,079.18x = 52,547.54 × 21,082.22
  4. Step 4: Simplify right side
    38,079.18x = 1,107,818,798.74
  5. Step 5: Solve for x
    x = 1,107,818,798.74/38,079.18
  6. Step 6: Final answer
    x = 29,092.51

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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.