Home / 39,820.40-59,737.80-16,449.20

Finding the Fourth Proportional to 39,820.40, 59,737.80 and 16,449.20

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Solution

The fourth proportional to 39,820.40, 59,737.80 and 16,449.20 is: 24,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.40 : 59,737.80 = 16,449.20 : x
  2. Step 2: Convert to fraction form
    39,820.40/59,737.80 = 16,449.20/x
  3. Step 3: Cross multiply
    39,820.40x = 59,737.80 × 16,449.20
  4. Step 4: Simplify right side
    39,820.40x = 982,639,019.76
  5. Step 5: Solve for x
    x = 982,639,019.76/39,820.40
  6. Step 6: Final answer
    x = 24,676.77

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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.