Home / 50,130.90-69,177.69-28,623.15

Finding the Fourth Proportional to 50,130.90, 69,177.69 and 28,623.15

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Solution

The fourth proportional to 50,130.90, 69,177.69 and 28,623.15 is: 39,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,130.90 : 69,177.69 = 28,623.15 : x
  2. Step 2: Convert to fraction form
    50,130.90/69,177.69 = 28,623.15/x
  3. Step 3: Cross multiply
    50,130.90x = 69,177.69 × 28,623.15
  4. Step 4: Simplify right side
    50,130.90x = 1,980,083,397.52
  5. Step 5: Solve for x
    x = 1,980,083,397.52/50,130.90
  6. Step 6: Final answer
    x = 39,498.26

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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.