Home / 39,897.40-55,007.28-32,700.82

Finding the Fourth Proportional to 39,897.40, 55,007.28 and 32,700.82

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Solution

The fourth proportional to 39,897.40, 55,007.28 and 32,700.82 is: 45,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,897.40 : 55,007.28 = 32,700.82 : x
  2. Step 2: Convert to fraction form
    39,897.40/55,007.28 = 32,700.82/x
  3. Step 3: Cross multiply
    39,897.40x = 55,007.28 × 32,700.82
  4. Step 4: Simplify right side
    39,897.40x = 1,798,783,161.97
  5. Step 5: Solve for x
    x = 1,798,783,161.97/39,897.40
  6. Step 6: Final answer
    x = 45,085.22

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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.