Home / 38,207.18-52,726.11-21,211.67

Finding the Fourth Proportional to 38,207.18, 52,726.11 and 21,211.67

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Solution

The fourth proportional to 38,207.18, 52,726.11 and 21,211.67 is: 29,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.18 : 52,726.11 = 21,211.67 : x
  2. Step 2: Convert to fraction form
    38,207.18/52,726.11 = 21,211.67/x
  3. Step 3: Cross multiply
    38,207.18x = 52,726.11 × 21,211.67
  4. Step 4: Simplify right side
    38,207.18x = 1,118,408,845.70
  5. Step 5: Solve for x
    x = 1,118,408,845.70/38,207.18
  6. Step 6: Final answer
    x = 29,272.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.