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Finding the Fourth Proportional to 57,671.70, 86,507.55 and 24,386.46

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Solution

The fourth proportional to 57,671.70, 86,507.55 and 24,386.46 is: 36,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671.70 : 86,507.55 = 24,386.46 : x
  2. Step 2: Convert to fraction form
    57,671.70/86,507.55 = 24,386.46/x
  3. Step 3: Cross multiply
    57,671.70x = 86,507.55 × 24,386.46
  4. Step 4: Simplify right side
    57,671.70x = 2,109,612,907.77
  5. Step 5: Solve for x
    x = 2,109,612,907.77/57,671.70
  6. Step 6: Final answer
    x = 36,579.69

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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.