Home / 52,096.15-78,162.96-20,488.69

Finding the Fourth Proportional to 52,096.15, 78,162.96 and 20,488.69

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Solution

The fourth proportional to 52,096.15, 78,162.96 and 20,488.69 is: 30,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,096.15 : 78,162.96 = 20,488.69 : x
  2. Step 2: Convert to fraction form
    52,096.15/78,162.96 = 20,488.69/x
  3. Step 3: Cross multiply
    52,096.15x = 78,162.96 × 20,488.69
  4. Step 4: Simplify right side
    52,096.15x = 1,601,456,461.52
  5. Step 5: Solve for x
    x = 1,601,456,461.52/52,096.15
  6. Step 6: Final answer
    x = 30,740.40

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1.5x scale

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.