Home / 52,454.13-78,680.55-31,400.04

Finding the Fourth Proportional to 52,454.13, 78,680.55 and 31,400.04

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Solution

The fourth proportional to 52,454.13, 78,680.55 and 31,400.04 is: 47,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.13 : 78,680.55 = 31,400.04 : x
  2. Step 2: Convert to fraction form
    52,454.13/78,680.55 = 31,400.04/x
  3. Step 3: Cross multiply
    52,454.13x = 78,680.55 × 31,400.04
  4. Step 4: Simplify right side
    52,454.13x = 2,470,572,417.22
  5. Step 5: Solve for x
    x = 2,470,572,417.22/52,454.13
  6. Step 6: Final answer
    x = 47,099.67

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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.