Home / 57,382.98-79,215.48-38,294.52

Finding the Fourth Proportional to 57,382.98, 79,215.48 and 38,294.52

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Solution

The fourth proportional to 57,382.98, 79,215.48 and 38,294.52 is: 52,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.98 : 79,215.48 = 38,294.52 : x
  2. Step 2: Convert to fraction form
    57,382.98/79,215.48 = 38,294.52/x
  3. Step 3: Cross multiply
    57,382.98x = 79,215.48 × 38,294.52
  4. Step 4: Simplify right side
    57,382.98x = 3,033,518,783.17
  5. Step 5: Solve for x
    x = 3,033,518,783.17/57,382.98
  6. Step 6: Final answer
    x = 52,864.43

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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.