Home / 50,748.88-70,036.68-28,400.08

Finding the Fourth Proportional to 50,748.88, 70,036.68 and 28,400.08

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Solution

The fourth proportional to 50,748.88, 70,036.68 and 28,400.08 is: 39,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,748.88 : 70,036.68 = 28,400.08 : x
  2. Step 2: Convert to fraction form
    50,748.88/70,036.68 = 28,400.08/x
  3. Step 3: Cross multiply
    50,748.88x = 70,036.68 × 28,400.08
  4. Step 4: Simplify right side
    50,748.88x = 1,989,047,314.93
  5. Step 5: Solve for x
    x = 1,989,047,314.93/50,748.88
  6. Step 6: Final answer
    x = 39,193.92

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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.