Home / 52,247.70-78,370.86-12,805.14

Finding the Fourth Proportional to 52,247.70, 78,370.86 and 12,805.14

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Solution

The fourth proportional to 52,247.70, 78,370.86 and 12,805.14 is: 19,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,247.70 : 78,370.86 = 12,805.14 : x
  2. Step 2: Convert to fraction form
    52,247.70/78,370.86 = 12,805.14/x
  3. Step 3: Cross multiply
    52,247.70x = 78,370.86 × 12,805.14
  4. Step 4: Simplify right side
    52,247.70x = 1,003,549,834.22
  5. Step 5: Solve for x
    x = 1,003,549,834.22/52,247.70
  6. Step 6: Final answer
    x = 19,207.54

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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.