Home / 60,826.40-91,248.28-18,710

Finding the Fourth Proportional to 60,826.40, 91,248.28 and 18,710

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Solution

The fourth proportional to 60,826.40, 91,248.28 and 18,710 is: 28,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,826.40 : 91,248.28 = 18,710 : x
  2. Step 2: Convert to fraction form
    60,826.40/91,248.28 = 18,710/x
  3. Step 3: Cross multiply
    60,826.40x = 91,248.28 × 18,710
  4. Step 4: Simplify right side
    60,826.40x = 1,707,255,318.80
  5. Step 5: Solve for x
    x = 1,707,255,318.80/60,826.40
  6. Step 6: Final answer
    x = 28,067.67

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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.