Home / 35,423.34-48,863.43-21,279.66

Finding the Fourth Proportional to 35,423.34, 48,863.43 and 21,279.66

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Solution

The fourth proportional to 35,423.34, 48,863.43 and 21,279.66 is: 29,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.34 : 48,863.43 = 21,279.66 : x
  2. Step 2: Convert to fraction form
    35,423.34/48,863.43 = 21,279.66/x
  3. Step 3: Cross multiply
    35,423.34x = 48,863.43 × 21,279.66
  4. Step 4: Simplify right side
    35,423.34x = 1,039,797,176.83
  5. Step 5: Solve for x
    x = 1,039,797,176.83/35,423.34
  6. Step 6: Final answer
    x = 29,353.45

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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.