Home / 48,002.91-72,015.30-18,434.67

Finding the Fourth Proportional to 48,002.91, 72,015.30 and 18,434.67

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Solution

The fourth proportional to 48,002.91, 72,015.30 and 18,434.67 is: 27,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,002.91 : 72,015.30 = 18,434.67 : x
  2. Step 2: Convert to fraction form
    48,002.91/72,015.30 = 18,434.67/x
  3. Step 3: Cross multiply
    48,002.91x = 72,015.30 × 18,434.67
  4. Step 4: Simplify right side
    48,002.91x = 1,327,578,290.45
  5. Step 5: Solve for x
    x = 1,327,578,290.45/48,002.91
  6. Step 6: Final answer
    x = 27,656.20

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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.