Home / 52,948.89-79,432.38-17,880.21

Finding the Fourth Proportional to 52,948.89, 79,432.38 and 17,880.21

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Solution

The fourth proportional to 52,948.89, 79,432.38 and 17,880.21 is: 26,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,948.89 : 79,432.38 = 17,880.21 : x
  2. Step 2: Convert to fraction form
    52,948.89/79,432.38 = 17,880.21/x
  3. Step 3: Cross multiply
    52,948.89x = 79,432.38 × 17,880.21
  4. Step 4: Simplify right side
    52,948.89x = 1,420,267,635.20
  5. Step 5: Solve for x
    x = 1,420,267,635.20/52,948.89
  6. Step 6: Final answer
    x = 26,823.37

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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.