Home / 48,008.10-72,012.15-43,415.40

Finding the Fourth Proportional to 48,008.10, 72,012.15 and 43,415.40

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Solution

The fourth proportional to 48,008.10, 72,012.15 and 43,415.40 is: 65,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,008.10 : 72,012.15 = 43,415.40 : x
  2. Step 2: Convert to fraction form
    48,008.10/72,012.15 = 43,415.40/x
  3. Step 3: Cross multiply
    48,008.10x = 72,012.15 × 43,415.40
  4. Step 4: Simplify right side
    48,008.10x = 3,126,436,297.11
  5. Step 5: Solve for x
    x = 3,126,436,297.11/48,008.10
  6. Step 6: Final answer
    x = 65,123.10

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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.