Home / 58,579.04-80,839.15-31,721.58

Finding the Fourth Proportional to 58,579.04, 80,839.15 and 31,721.58

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Solution

The fourth proportional to 58,579.04, 80,839.15 and 31,721.58 is: 43,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.04 : 80,839.15 = 31,721.58 : x
  2. Step 2: Convert to fraction form
    58,579.04/80,839.15 = 31,721.58/x
  3. Step 3: Cross multiply
    58,579.04x = 80,839.15 × 31,721.58
  4. Step 4: Simplify right side
    58,579.04x = 2,564,345,484.55
  5. Step 5: Solve for x
    x = 2,564,345,484.55/58,579.04
  6. Step 6: Final answer
    x = 43,775.82

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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.