Home / 52,756.73-72,801.42-28,878.79

Finding the Fourth Proportional to 52,756.73, 72,801.42 and 28,878.79

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Solution

The fourth proportional to 52,756.73, 72,801.42 and 28,878.79 is: 39,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756.73 : 72,801.42 = 28,878.79 : x
  2. Step 2: Convert to fraction form
    52,756.73/72,801.42 = 28,878.79/x
  3. Step 3: Cross multiply
    52,756.73x = 72,801.42 × 28,878.79
  4. Step 4: Simplify right side
    52,756.73x = 2,102,416,775.49
  5. Step 5: Solve for x
    x = 2,102,416,775.49/52,756.73
  6. Step 6: Final answer
    x = 39,851.16

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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.