Home / 53,841.19-80,762.47-18,780.85

Finding the Fourth Proportional to 53,841.19, 80,762.47 and 18,780.85

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Solution

The fourth proportional to 53,841.19, 80,762.47 and 18,780.85 is: 28,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,841.19 : 80,762.47 = 18,780.85 : x
  2. Step 2: Convert to fraction form
    53,841.19/80,762.47 = 18,780.85/x
  3. Step 3: Cross multiply
    53,841.19x = 80,762.47 × 18,780.85
  4. Step 4: Simplify right side
    53,841.19x = 1,516,787,834.70
  5. Step 5: Solve for x
    x = 1,516,787,834.70/53,841.19
  6. Step 6: Final answer
    x = 28,171.51

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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.