Home / 74,273.91-111,417.54-20,966.46

Finding the Fourth Proportional to 74,273.91, 111,417.54 and 20,966.46

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Solution

The fourth proportional to 74,273.91, 111,417.54 and 20,966.46 is: 31,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.91 : 111,417.54 = 20,966.46 : x
  2. Step 2: Convert to fraction form
    74,273.91/111,417.54 = 20,966.46/x
  3. Step 3: Cross multiply
    74,273.91x = 111,417.54 × 20,966.46
  4. Step 4: Simplify right side
    74,273.91x = 2,336,031,395.71
  5. Step 5: Solve for x
    x = 2,336,031,395.71/74,273.91
  6. Step 6: Final answer
    x = 31,451.57

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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.