Home / 60,021.14-90,031.77-15,647.85

Finding the Fourth Proportional to 60,021.14, 90,031.77 and 15,647.85

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Solution

The fourth proportional to 60,021.14, 90,031.77 and 15,647.85 is: 23,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,021.14 : 90,031.77 = 15,647.85 : x
  2. Step 2: Convert to fraction form
    60,021.14/90,031.77 = 15,647.85/x
  3. Step 3: Cross multiply
    60,021.14x = 90,031.77 × 15,647.85
  4. Step 4: Simplify right side
    60,021.14x = 1,408,803,632.19
  5. Step 5: Solve for x
    x = 1,408,803,632.19/60,021.14
  6. Step 6: Final answer
    x = 23,471.79

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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.