Home / 42,919.94-59,220.40-25,920.88

Finding the Fourth Proportional to 42,919.94, 59,220.40 and 25,920.88

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Solution

The fourth proportional to 42,919.94, 59,220.40 and 25,920.88 is: 35,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,919.94 : 59,220.40 = 25,920.88 : x
  2. Step 2: Convert to fraction form
    42,919.94/59,220.40 = 25,920.88/x
  3. Step 3: Cross multiply
    42,919.94x = 59,220.40 × 25,920.88
  4. Step 4: Simplify right side
    42,919.94x = 1,535,044,881.95
  5. Step 5: Solve for x
    x = 1,535,044,881.95/42,919.94
  6. Step 6: Final answer
    x = 35,765.31

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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.