Home / 39,899.37-55,045.71-22,897.47

Finding the Fourth Proportional to 39,899.37, 55,045.71 and 22,897.47

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Solution

The fourth proportional to 39,899.37, 55,045.71 and 22,897.47 is: 31,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.37 : 55,045.71 = 22,897.47 : x
  2. Step 2: Convert to fraction form
    39,899.37/55,045.71 = 22,897.47/x
  3. Step 3: Cross multiply
    39,899.37x = 55,045.71 × 22,897.47
  4. Step 4: Simplify right side
    39,899.37x = 1,260,407,493.35
  5. Step 5: Solve for x
    x = 1,260,407,493.35/39,899.37
  6. Step 6: Final answer
    x = 31,589.66

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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.