Home / 30,280.97-45,430.67-15,500.26

Finding the Fourth Proportional to 30,280.97, 45,430.67 and 15,500.26

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Solution

The fourth proportional to 30,280.97, 45,430.67 and 15,500.26 is: 23,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.97 : 45,430.67 = 15,500.26 : x
  2. Step 2: Convert to fraction form
    30,280.97/45,430.67 = 15,500.26/x
  3. Step 3: Cross multiply
    30,280.97x = 45,430.67 × 15,500.26
  4. Step 4: Simplify right side
    30,280.97x = 704,187,196.97
  5. Step 5: Solve for x
    x = 704,187,196.97/30,280.97
  6. Step 6: Final answer
    x = 23,255.11

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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.