Home / 30,869.10-42,596.08-22,806.97

Finding the Fourth Proportional to 30,869.10, 42,596.08 and 22,806.97

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Solution

The fourth proportional to 30,869.10, 42,596.08 and 22,806.97 is: 31,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.10 : 42,596.08 = 22,806.97 : x
  2. Step 2: Convert to fraction form
    30,869.10/42,596.08 = 22,806.97/x
  3. Step 3: Cross multiply
    30,869.10x = 42,596.08 × 22,806.97
  4. Step 4: Simplify right side
    30,869.10x = 971,487,355.17
  5. Step 5: Solve for x
    x = 971,487,355.17/30,869.10
  6. Step 6: Final answer
    x = 31,471.19

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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.