Home / 42,278.92-63,345.16-22,258.80

Finding the Fourth Proportional to 42,278.92, 63,345.16 and 22,258.80

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Solution

The fourth proportional to 42,278.92, 63,345.16 and 22,258.80 is: 33,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,278.92 : 63,345.16 = 22,258.80 : x
  2. Step 2: Convert to fraction form
    42,278.92/63,345.16 = 22,258.80/x
  3. Step 3: Cross multiply
    42,278.92x = 63,345.16 × 22,258.80
  4. Step 4: Simplify right side
    42,278.92x = 1,409,987,247.41
  5. Step 5: Solve for x
    x = 1,409,987,247.41/42,278.92
  6. Step 6: Final answer
    x = 33,349.65

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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.