Home / 45,675.60-68,505.31-12,398.26

Finding the Fourth Proportional to 45,675.60, 68,505.31 and 12,398.26

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Solution

The fourth proportional to 45,675.60, 68,505.31 and 12,398.26 is: 18,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,675.60 : 68,505.31 = 12,398.26 : x
  2. Step 2: Convert to fraction form
    45,675.60/68,505.31 = 12,398.26/x
  3. Step 3: Cross multiply
    45,675.60x = 68,505.31 × 12,398.26
  4. Step 4: Simplify right side
    45,675.60x = 849,346,644.76
  5. Step 5: Solve for x
    x = 849,346,644.76/45,675.60
  6. Step 6: Final answer
    x = 18,595.19

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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.