Home / 51,934.40-71,669.51-28,061.06

Finding the Fourth Proportional to 51,934.40, 71,669.51 and 28,061.06

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Solution

The fourth proportional to 51,934.40, 71,669.51 and 28,061.06 is: 38,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,934.40 : 71,669.51 = 28,061.06 : x
  2. Step 2: Convert to fraction form
    51,934.40/71,669.51 = 28,061.06/x
  3. Step 3: Cross multiply
    51,934.40x = 71,669.51 × 28,061.06
  4. Step 4: Simplify right side
    51,934.40x = 2,011,122,459.15
  5. Step 5: Solve for x
    x = 2,011,122,459.15/51,934.40
  6. Step 6: Final answer
    x = 38,724.29

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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.