Home / 50,759.77-70,047.48-28,098.79

Finding the Fourth Proportional to 50,759.77, 70,047.48 and 28,098.79

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Solution

The fourth proportional to 50,759.77, 70,047.48 and 28,098.79 is: 38,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,759.77 : 70,047.48 = 28,098.79 : x
  2. Step 2: Convert to fraction form
    50,759.77/70,047.48 = 28,098.79/x
  3. Step 3: Cross multiply
    50,759.77x = 70,047.48 × 28,098.79
  4. Step 4: Simplify right side
    50,759.77x = 1,968,249,430.55
  5. Step 5: Solve for x
    x = 1,968,249,430.55/50,759.77
  6. Step 6: Final answer
    x = 38,775.78

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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.