Home / 38,222.40-52,742.16-22,301.76

Finding the Fourth Proportional to 38,222.40, 52,742.16 and 22,301.76

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Solution

The fourth proportional to 38,222.40, 52,742.16 and 22,301.76 is: 30,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,222.40 : 52,742.16 = 22,301.76 : x
  2. Step 2: Convert to fraction form
    38,222.40/52,742.16 = 22,301.76/x
  3. Step 3: Cross multiply
    38,222.40x = 52,742.16 × 22,301.76
  4. Step 4: Simplify right side
    38,222.40x = 1,176,242,994.20
  5. Step 5: Solve for x
    x = 1,176,242,994.20/38,222.40
  6. Step 6: Final answer
    x = 30,773.66

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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.