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Finding the Fourth Proportional to 57,346.52, 86,019.78 and 17,907.02

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Solution

The fourth proportional to 57,346.52, 86,019.78 and 17,907.02 is: 26,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.52 : 86,019.78 = 17,907.02 : x
  2. Step 2: Convert to fraction form
    57,346.52/86,019.78 = 17,907.02/x
  3. Step 3: Cross multiply
    57,346.52x = 86,019.78 × 17,907.02
  4. Step 4: Simplify right side
    57,346.52x = 1,540,357,490.76
  5. Step 5: Solve for x
    x = 1,540,357,490.76/57,346.52
  6. Step 6: Final answer
    x = 26,860.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.