Home / 48,459.24-72,670.41-31,814.82

Finding the Fourth Proportional to 48,459.24, 72,670.41 and 31,814.82

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Solution

The fourth proportional to 48,459.24, 72,670.41 and 31,814.82 is: 47,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,459.24 : 72,670.41 = 31,814.82 : x
  2. Step 2: Convert to fraction form
    48,459.24/72,670.41 = 31,814.82/x
  3. Step 3: Cross multiply
    48,459.24x = 72,670.41 × 31,814.82
  4. Step 4: Simplify right side
    48,459.24x = 2,311,996,013.48
  5. Step 5: Solve for x
    x = 2,311,996,013.48/48,459.24
  6. Step 6: Final answer
    x = 47,710.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.