Home / 52,155.48-78,247.80-17,119.74

Finding the Fourth Proportional to 52,155.48, 78,247.80 and 17,119.74

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Solution

The fourth proportional to 52,155.48, 78,247.80 and 17,119.74 is: 25,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,155.48 : 78,247.80 = 17,119.74 : x
  2. Step 2: Convert to fraction form
    52,155.48/78,247.80 = 17,119.74/x
  3. Step 3: Cross multiply
    52,155.48x = 78,247.80 × 17,119.74
  4. Step 4: Simplify right side
    52,155.48x = 1,339,581,991.57
  5. Step 5: Solve for x
    x = 1,339,581,991.57/52,155.48
  6. Step 6: Final answer
    x = 25,684.40

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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.