Home / 42,879.40-64,180.86-22,074.28

Finding the Fourth Proportional to 42,879.40, 64,180.86 and 22,074.28

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Solution

The fourth proportional to 42,879.40, 64,180.86 and 22,074.28 is: 33,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,879.40 : 64,180.86 = 22,074.28 : x
  2. Step 2: Convert to fraction form
    42,879.40/64,180.86 = 22,074.28/x
  3. Step 3: Cross multiply
    42,879.40x = 64,180.86 × 22,074.28
  4. Step 4: Simplify right side
    42,879.40x = 1,416,746,274.28
  5. Step 5: Solve for x
    x = 1,416,746,274.28/42,879.40
  6. Step 6: Final answer
    x = 33,040.25

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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.