Home / 48,018.13-72,025.36-12,958.70

Finding the Fourth Proportional to 48,018.13, 72,025.36 and 12,958.70

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Solution

The fourth proportional to 48,018.13, 72,025.36 and 12,958.70 is: 19,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,018.13 : 72,025.36 = 12,958.70 : x
  2. Step 2: Convert to fraction form
    48,018.13/72,025.36 = 12,958.70/x
  3. Step 3: Cross multiply
    48,018.13x = 72,025.36 × 12,958.70
  4. Step 4: Simplify right side
    48,018.13x = 933,354,640.11
  5. Step 5: Solve for x
    x = 933,354,640.11/48,018.13
  6. Step 6: Final answer
    x = 19,437.55

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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.