Home / 39,441.78-59,180.01-20,717.47

Finding the Fourth Proportional to 39,441.78, 59,180.01 and 20,717.47

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Solution

The fourth proportional to 39,441.78, 59,180.01 and 20,717.47 is: 31,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,441.78 : 59,180.01 = 20,717.47 : x
  2. Step 2: Convert to fraction form
    39,441.78/59,180.01 = 20,717.47/x
  3. Step 3: Cross multiply
    39,441.78x = 59,180.01 × 20,717.47
  4. Step 4: Simplify right side
    39,441.78x = 1,226,059,785.87
  5. Step 5: Solve for x
    x = 1,226,059,785.87/39,441.78
  6. Step 6: Final answer
    x = 31,085.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.