Home / 84,344.90-126,518.70-22,015.40

Finding the Fourth Proportional to 84,344.90, 126,518.70 and 22,015.40

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Solution

The fourth proportional to 84,344.90, 126,518.70 and 22,015.40 is: 33,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,344.90 : 126,518.70 = 22,015.40 : x
  2. Step 2: Convert to fraction form
    84,344.90/126,518.70 = 22,015.40/x
  3. Step 3: Cross multiply
    84,344.90x = 126,518.70 × 22,015.40
  4. Step 4: Simplify right side
    84,344.90x = 2,785,359,787.98
  5. Step 5: Solve for x
    x = 2,785,359,787.98/84,344.90
  6. Step 6: Final answer
    x = 33,023.45

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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.