Home / 33,815.40-50,712.30-14,089.20

Finding the Fourth Proportional to 33,815.40, 50,712.30 and 14,089.20

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Solution

The fourth proportional to 33,815.40, 50,712.30 and 14,089.20 is: 21,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,815.40 : 50,712.30 = 14,089.20 : x
  2. Step 2: Convert to fraction form
    33,815.40/50,712.30 = 14,089.20/x
  3. Step 3: Cross multiply
    33,815.40x = 50,712.30 × 14,089.20
  4. Step 4: Simplify right side
    33,815.40x = 714,495,737.16
  5. Step 5: Solve for x
    x = 714,495,737.16/33,815.40
  6. Step 6: Final answer
    x = 21,129.30

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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.