Home / 39,838.34-54,995.82-25,309.91

Finding the Fourth Proportional to 39,838.34, 54,995.82 and 25,309.91

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Solution

The fourth proportional to 39,838.34, 54,995.82 and 25,309.91 is: 34,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.34 : 54,995.82 = 25,309.91 : x
  2. Step 2: Convert to fraction form
    39,838.34/54,995.82 = 25,309.91/x
  3. Step 3: Cross multiply
    39,838.34x = 54,995.82 × 25,309.91
  4. Step 4: Simplify right side
    39,838.34x = 1,391,939,254.58
  5. Step 5: Solve for x
    x = 1,391,939,254.58/39,838.34
  6. Step 6: Final answer
    x = 34,939.69

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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.