Home / 31,117.38-42,945.29-19,024.94

Finding the Fourth Proportional to 31,117.38, 42,945.29 and 19,024.94

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Solution

The fourth proportional to 31,117.38, 42,945.29 and 19,024.94 is: 26,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.38 : 42,945.29 = 19,024.94 : x
  2. Step 2: Convert to fraction form
    31,117.38/42,945.29 = 19,024.94/x
  3. Step 3: Cross multiply
    31,117.38x = 42,945.29 × 19,024.94
  4. Step 4: Simplify right side
    31,117.38x = 817,031,255.68
  5. Step 5: Solve for x
    x = 817,031,255.68/31,117.38
  6. Step 6: Final answer
    x = 26,256.43

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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.