Home / 34,638.79-47,801.57-18,723.27

Finding the Fourth Proportional to 34,638.79, 47,801.57 and 18,723.27

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Solution

The fourth proportional to 34,638.79, 47,801.57 and 18,723.27 is: 25,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638.79 : 47,801.57 = 18,723.27 : x
  2. Step 2: Convert to fraction form
    34,638.79/47,801.57 = 18,723.27/x
  3. Step 3: Cross multiply
    34,638.79x = 47,801.57 × 18,723.27
  4. Step 4: Simplify right side
    34,638.79x = 895,001,701.53
  5. Step 5: Solve for x
    x = 895,001,701.53/34,638.79
  6. Step 6: Final answer
    x = 25,838.13

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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.