Home / 38,211.40-57,317.10-37,628.20

Finding the Fourth Proportional to 38,211.40, 57,317.10 and 37,628.20

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Solution

The fourth proportional to 38,211.40, 57,317.10 and 37,628.20 is: 56,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.40 : 57,317.10 = 37,628.20 : x
  2. Step 2: Convert to fraction form
    38,211.40/57,317.10 = 37,628.20/x
  3. Step 3: Cross multiply
    38,211.40x = 57,317.10 × 37,628.20
  4. Step 4: Simplify right side
    38,211.40x = 2,156,739,302.22
  5. Step 5: Solve for x
    x = 2,156,739,302.22/38,211.40
  6. Step 6: Final answer
    x = 56,442.30

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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.