Home / 38,306.40-52,869-22,387.74

Finding the Fourth Proportional to 38,306.40, 52,869 and 22,387.74

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Solution

The fourth proportional to 38,306.40, 52,869 and 22,387.74 is: 30,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.40 : 52,869 = 22,387.74 : x
  2. Step 2: Convert to fraction form
    38,306.40/52,869 = 22,387.74/x
  3. Step 3: Cross multiply
    38,306.40x = 52,869 × 22,387.74
  4. Step 4: Simplify right side
    38,306.40x = 1,183,617,426.06
  5. Step 5: Solve for x
    x = 1,183,617,426.06/38,306.40
  6. Step 6: Final answer
    x = 30,898.69

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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.