Home / 30,676.09-42,211.65-25,624.12

Finding the Fourth Proportional to 30,676.09, 42,211.65 and 25,624.12

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Solution

The fourth proportional to 30,676.09, 42,211.65 and 25,624.12 is: 35,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.09 : 42,211.65 = 25,624.12 : x
  2. Step 2: Convert to fraction form
    30,676.09/42,211.65 = 25,624.12/x
  3. Step 3: Cross multiply
    30,676.09x = 42,211.65 × 25,624.12
  4. Step 4: Simplify right side
    30,676.09x = 1,081,636,385.00
  5. Step 5: Solve for x
    x = 1,081,636,385.00/30,676.09
  6. Step 6: Final answer
    x = 35,259.92

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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.