Home / 31,044.79-42,823.65-22,537

Finding the Fourth Proportional to 31,044.79, 42,823.65 and 22,537

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Solution

The fourth proportional to 31,044.79, 42,823.65 and 22,537 is: 31,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,044.79 : 42,823.65 = 22,537 : x
  2. Step 2: Convert to fraction form
    31,044.79/42,823.65 = 22,537/x
  3. Step 3: Cross multiply
    31,044.79x = 42,823.65 × 22,537
  4. Step 4: Simplify right side
    31,044.79x = 965,116,600.05
  5. Step 5: Solve for x
    x = 965,116,600.05/31,044.79
  6. Step 6: Final answer
    x = 31,087.88

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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.