Home / 38,146.85-52,648.08-21,154.87

Finding the Fourth Proportional to 38,146.85, 52,648.08 and 21,154.87

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Solution

The fourth proportional to 38,146.85, 52,648.08 and 21,154.87 is: 29,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146.85 : 52,648.08 = 21,154.87 : x
  2. Step 2: Convert to fraction form
    38,146.85/52,648.08 = 21,154.87/x
  3. Step 3: Cross multiply
    38,146.85x = 52,648.08 × 21,154.87
  4. Step 4: Simplify right side
    38,146.85x = 1,113,763,274.63
  5. Step 5: Solve for x
    x = 1,113,763,274.63/38,146.85
  6. Step 6: Final answer
    x = 29,196.73

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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.