Home / 58,400.30-80,418.55-54,161.57

Finding the Fourth Proportional to 58,400.30, 80,418.55 and 54,161.57

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Solution

The fourth proportional to 58,400.30, 80,418.55 and 54,161.57 is: 74,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,400.30 : 80,418.55 = 54,161.57 : x
  2. Step 2: Convert to fraction form
    58,400.30/80,418.55 = 54,161.57/x
  3. Step 3: Cross multiply
    58,400.30x = 80,418.55 × 54,161.57
  4. Step 4: Simplify right side
    58,400.30x = 4,355,595,053.08
  5. Step 5: Solve for x
    x = 4,355,595,053.08/58,400.30
  6. Step 6: Final answer
    x = 74,581.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.