Home / 30,834.29-42,503.78-25,159.02

Finding the Fourth Proportional to 30,834.29, 42,503.78 and 25,159.02

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Solution

The fourth proportional to 30,834.29, 42,503.78 and 25,159.02 is: 34,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,834.29 : 42,503.78 = 25,159.02 : x
  2. Step 2: Convert to fraction form
    30,834.29/42,503.78 = 25,159.02/x
  3. Step 3: Cross multiply
    30,834.29x = 42,503.78 × 25,159.02
  4. Step 4: Simplify right side
    30,834.29x = 1,069,353,325.30
  5. Step 5: Solve for x
    x = 1,069,353,325.30/30,834.29
  6. Step 6: Final answer
    x = 34,680.66

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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.