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Finding the Fourth Proportional to 35,423.50, 48,884.43 and 19,507.92

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Solution

The fourth proportional to 35,423.50, 48,884.43 and 19,507.92 is: 26,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.50 : 48,884.43 = 19,507.92 : x
  2. Step 2: Convert to fraction form
    35,423.50/48,884.43 = 19,507.92/x
  3. Step 3: Cross multiply
    35,423.50x = 48,884.43 × 19,507.92
  4. Step 4: Simplify right side
    35,423.50x = 953,633,549.69
  5. Step 5: Solve for x
    x = 953,633,549.69/35,423.50
  6. Step 6: Final answer
    x = 26,920.93

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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.