Home / 31,718.48-47,607.24-16,147.76

Finding the Fourth Proportional to 31,718.48, 47,607.24 and 16,147.76

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Solution

The fourth proportional to 31,718.48, 47,607.24 and 16,147.76 is: 24,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.48 : 47,607.24 = 16,147.76 : x
  2. Step 2: Convert to fraction form
    31,718.48/47,607.24 = 16,147.76/x
  3. Step 3: Cross multiply
    31,718.48x = 47,607.24 × 16,147.76
  4. Step 4: Simplify right side
    31,718.48x = 768,750,285.78
  5. Step 5: Solve for x
    x = 768,750,285.78/31,718.48
  6. Step 6: Final answer
    x = 24,236.67

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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.