Home / 30,426.70-45,640.05-25,615.30

Finding the Fourth Proportional to 30,426.70, 45,640.05 and 25,615.30

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Solution

The fourth proportional to 30,426.70, 45,640.05 and 25,615.30 is: 38,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.70 : 45,640.05 = 25,615.30 : x
  2. Step 2: Convert to fraction form
    30,426.70/45,640.05 = 25,615.30/x
  3. Step 3: Cross multiply
    30,426.70x = 45,640.05 × 25,615.30
  4. Step 4: Simplify right side
    30,426.70x = 1,169,083,572.77
  5. Step 5: Solve for x
    x = 1,169,083,572.77/30,426.70
  6. Step 6: Final answer
    x = 38,422.95

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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.