Home / 34,081.18-51,053.87-20,737.76

Finding the Fourth Proportional to 34,081.18, 51,053.87 and 20,737.76

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Solution

The fourth proportional to 34,081.18, 51,053.87 and 20,737.76 is: 31,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,081.18 : 51,053.87 = 20,737.76 : x
  2. Step 2: Convert to fraction form
    34,081.18/51,053.87 = 20,737.76/x
  3. Step 3: Cross multiply
    34,081.18x = 51,053.87 × 20,737.76
  4. Step 4: Simplify right side
    34,081.18x = 1,058,742,699.71
  5. Step 5: Solve for x
    x = 1,058,742,699.71/34,081.18
  6. Step 6: Final answer
    x = 31,065.32

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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.