Home / 45,701.60-68,552.40-38,703.20

Finding the Fourth Proportional to 45,701.60, 68,552.40 and 38,703.20

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Solution

The fourth proportional to 45,701.60, 68,552.40 and 38,703.20 is: 58,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,701.60 : 68,552.40 = 38,703.20 : x
  2. Step 2: Convert to fraction form
    45,701.60/68,552.40 = 38,703.20/x
  3. Step 3: Cross multiply
    45,701.60x = 68,552.40 × 38,703.20
  4. Step 4: Simplify right side
    45,701.60x = 2,653,197,247.68
  5. Step 5: Solve for x
    x = 2,653,197,247.68/45,701.60
  6. Step 6: Final answer
    x = 58,054.80

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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.