Home / 50,809.52-70,117.63-28,149.00

Finding the Fourth Proportional to 50,809.52, 70,117.63 and 28,149.00

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Solution

The fourth proportional to 50,809.52, 70,117.63 and 28,149.00 is: 38,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.52 : 70,117.63 = 28,149.00 : x
  2. Step 2: Convert to fraction form
    50,809.52/70,117.63 = 28,149.00/x
  3. Step 3: Cross multiply
    50,809.52x = 70,117.63 × 28,149.00
  4. Step 4: Simplify right side
    50,809.52x = 1,973,740,833.56
  5. Step 5: Solve for x
    x = 1,973,740,833.56/50,809.52
  6. Step 6: Final answer
    x = 38,845.88

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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.