Home / 84,545.36-126,808.44-22,220.72

Finding the Fourth Proportional to 84,545.36, 126,808.44 and 22,220.72

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Solution

The fourth proportional to 84,545.36, 126,808.44 and 22,220.72 is: 33,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,545.36 : 126,808.44 = 22,220.72 : x
  2. Step 2: Convert to fraction form
    84,545.36/126,808.44 = 22,220.72/x
  3. Step 3: Cross multiply
    84,545.36x = 126,808.44 × 22,220.72
  4. Step 4: Simplify right side
    84,545.36x = 2,817,774,838.88
  5. Step 5: Solve for x
    x = 2,817,774,838.88/84,545.36
  6. Step 6: Final answer
    x = 33,328.56

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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.