Home / 30,007.95-45,040.17-15,227.48

Finding the Fourth Proportional to 30,007.95, 45,040.17 and 15,227.48

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Solution

The fourth proportional to 30,007.95, 45,040.17 and 15,227.48 is: 22,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.95 : 45,040.17 = 15,227.48 : x
  2. Step 2: Convert to fraction form
    30,007.95/45,040.17 = 15,227.48/x
  3. Step 3: Cross multiply
    30,007.95x = 45,040.17 × 15,227.48
  4. Step 4: Simplify right side
    30,007.95x = 685,848,062.67
  5. Step 5: Solve for x
    x = 685,848,062.67/30,007.95
  6. Step 6: Final answer
    x = 22,855.55

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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.