Home / 47,386.16-71,077.87-12,325.81

Finding the Fourth Proportional to 47,386.16, 71,077.87 and 12,325.81

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Solution

The fourth proportional to 47,386.16, 71,077.87 and 12,325.81 is: 18,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,386.16 : 71,077.87 = 12,325.81 : x
  2. Step 2: Convert to fraction form
    47,386.16/71,077.87 = 12,325.81/x
  3. Step 3: Cross multiply
    47,386.16x = 71,077.87 × 12,325.81
  4. Step 4: Simplify right side
    47,386.16x = 876,092,259.20
  5. Step 5: Solve for x
    x = 876,092,259.20/47,386.16
  6. Step 6: Final answer
    x = 18,488.36

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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.