Home / 52,179.78-72,007.54-28,306.25

Finding the Fourth Proportional to 52,179.78, 72,007.54 and 28,306.25

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Solution

The fourth proportional to 52,179.78, 72,007.54 and 28,306.25 is: 39,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.78 : 72,007.54 = 28,306.25 : x
  2. Step 2: Convert to fraction form
    52,179.78/72,007.54 = 28,306.25/x
  3. Step 3: Cross multiply
    52,179.78x = 72,007.54 × 28,306.25
  4. Step 4: Simplify right side
    52,179.78x = 2,038,263,429.13
  5. Step 5: Solve for x
    x = 2,038,263,429.13/52,179.78
  6. Step 6: Final answer
    x = 39,062.32

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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.