Home / 50,750.40-70,033.80-28,089.04

Finding the Fourth Proportional to 50,750.40, 70,033.80 and 28,089.04

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Solution

The fourth proportional to 50,750.40, 70,033.80 and 28,089.04 is: 38,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,750.40 : 70,033.80 = 28,089.04 : x
  2. Step 2: Convert to fraction form
    50,750.40/70,033.80 = 28,089.04/x
  3. Step 3: Cross multiply
    50,750.40x = 70,033.80 × 28,089.04
  4. Step 4: Simplify right side
    50,750.40x = 1,967,182,209.55
  5. Step 5: Solve for x
    x = 1,967,182,209.55/50,750.40
  6. Step 6: Final answer
    x = 38,761.91

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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.