Home / 38,963.40-58,445.10-37,408.20

Finding the Fourth Proportional to 38,963.40, 58,445.10 and 37,408.20

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Solution

The fourth proportional to 38,963.40, 58,445.10 and 37,408.20 is: 56,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.40 : 58,445.10 = 37,408.20 : x
  2. Step 2: Convert to fraction form
    38,963.40/58,445.10 = 37,408.20/x
  3. Step 3: Cross multiply
    38,963.40x = 58,445.10 × 37,408.20
  4. Step 4: Simplify right side
    38,963.40x = 2,186,325,989.82
  5. Step 5: Solve for x
    x = 2,186,325,989.82/38,963.40
  6. Step 6: Final answer
    x = 56,112.30

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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.