Home / 48,297.90-72,414.45-21,989.10

Finding the Fourth Proportional to 48,297.90, 72,414.45 and 21,989.10

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Solution

The fourth proportional to 48,297.90, 72,414.45 and 21,989.10 is: 32,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,297.90 : 72,414.45 = 21,989.10 : x
  2. Step 2: Convert to fraction form
    48,297.90/72,414.45 = 21,989.10/x
  3. Step 3: Cross multiply
    48,297.90x = 72,414.45 × 21,989.10
  4. Step 4: Simplify right side
    48,297.90x = 1,592,328,582.50
  5. Step 5: Solve for x
    x = 1,592,328,582.50/48,297.90
  6. Step 6: Final answer
    x = 32,968.90

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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.