Home / 52,122.92-71,927.86-30,889.60

Finding the Fourth Proportional to 52,122.92, 71,927.86 and 30,889.60

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Solution

The fourth proportional to 52,122.92, 71,927.86 and 30,889.60 is: 42,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122.92 : 71,927.86 = 30,889.60 : x
  2. Step 2: Convert to fraction form
    52,122.92/71,927.86 = 30,889.60/x
  3. Step 3: Cross multiply
    52,122.92x = 71,927.86 × 30,889.60
  4. Step 4: Simplify right side
    52,122.92x = 2,221,822,824.26
  5. Step 5: Solve for x
    x = 2,221,822,824.26/52,122.92
  6. Step 6: Final answer
    x = 42,626.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.