Home / 20,251.47-30,230.70-17,495.85

Finding the Fourth Proportional to 20,251.47, 30,230.70 and 17,495.85

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Solution

The fourth proportional to 20,251.47, 30,230.70 and 17,495.85 is: 26,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.47 : 30,230.70 = 17,495.85 : x
  2. Step 2: Convert to fraction form
    20,251.47/30,230.70 = 17,495.85/x
  3. Step 3: Cross multiply
    20,251.47x = 30,230.70 × 17,495.85
  4. Step 4: Simplify right side
    20,251.47x = 528,911,792.60
  5. Step 5: Solve for x
    x = 528,911,792.60/20,251.47
  6. Step 6: Final answer
    x = 26,117.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.