Home / 42,750.80-58,974.60-28,604.24

Finding the Fourth Proportional to 42,750.80, 58,974.60 and 28,604.24

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Solution

The fourth proportional to 42,750.80, 58,974.60 and 28,604.24 is: 39,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750.80 : 58,974.60 = 28,604.24 : x
  2. Step 2: Convert to fraction form
    42,750.80/58,974.60 = 28,604.24/x
  3. Step 3: Cross multiply
    42,750.80x = 58,974.60 × 28,604.24
  4. Step 4: Simplify right side
    42,750.80x = 1,686,923,612.30
  5. Step 5: Solve for x
    x = 1,686,923,612.30/42,750.80
  6. Step 6: Final answer
    x = 39,459.46

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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.