Home / 50,643.12-69,888.05-27,981.55

Finding the Fourth Proportional to 50,643.12, 69,888.05 and 27,981.55

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Solution

The fourth proportional to 50,643.12, 69,888.05 and 27,981.55 is: 38,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.12 : 69,888.05 = 27,981.55 : x
  2. Step 2: Convert to fraction form
    50,643.12/69,888.05 = 27,981.55/x
  3. Step 3: Cross multiply
    50,643.12x = 69,888.05 × 27,981.55
  4. Step 4: Simplify right side
    50,643.12x = 1,955,575,825.57
  5. Step 5: Solve for x
    x = 1,955,575,825.57/50,643.12
  6. Step 6: Final answer
    x = 38,614.84

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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.