Home / 50,964.80-70,332.36-28,305.89

Finding the Fourth Proportional to 50,964.80, 70,332.36 and 28,305.89

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Solution

The fourth proportional to 50,964.80, 70,332.36 and 28,305.89 is: 39,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,964.80 : 70,332.36 = 28,305.89 : x
  2. Step 2: Convert to fraction form
    50,964.80/70,332.36 = 28,305.89/x
  3. Step 3: Cross multiply
    50,964.80x = 70,332.36 × 28,305.89
  4. Step 4: Simplify right side
    50,964.80x = 1,990,819,693.94
  5. Step 5: Solve for x
    x = 1,990,819,693.94/50,964.80
  6. Step 6: Final answer
    x = 39,062.64

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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.