Home / 39,740.32-59,626.80-18,950.56

Finding the Fourth Proportional to 39,740.32, 59,626.80 and 18,950.56

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Solution

The fourth proportional to 39,740.32, 59,626.80 and 18,950.56 is: 28,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,740.32 : 59,626.80 = 18,950.56 : x
  2. Step 2: Convert to fraction form
    39,740.32/59,626.80 = 18,950.56/x
  3. Step 3: Cross multiply
    39,740.32x = 59,626.80 × 18,950.56
  4. Step 4: Simplify right side
    39,740.32x = 1,129,961,251.01
  5. Step 5: Solve for x
    x = 1,129,961,251.01/39,740.32
  6. Step 6: Final answer
    x = 28,433.62

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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.