Home / 58,253.23-87,398.19-20,812.47

Finding the Fourth Proportional to 58,253.23, 87,398.19 and 20,812.47

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Solution

The fourth proportional to 58,253.23, 87,398.19 and 20,812.47 is: 31,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,253.23 : 87,398.19 = 20,812.47 : x
  2. Step 2: Convert to fraction form
    58,253.23/87,398.19 = 20,812.47/x
  3. Step 3: Cross multiply
    58,253.23x = 87,398.19 × 20,812.47
  4. Step 4: Simplify right side
    58,253.23x = 1,818,972,125.49
  5. Step 5: Solve for x
    x = 1,818,972,125.49/58,253.23
  6. Step 6: Final answer
    x = 31,225.26

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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.