Home / 52,132.71-78,199.02-20,960.67

Finding the Fourth Proportional to 52,132.71, 78,199.02 and 20,960.67

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Solution

The fourth proportional to 52,132.71, 78,199.02 and 20,960.67 is: 31,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,132.71 : 78,199.02 = 20,960.67 : x
  2. Step 2: Convert to fraction form
    52,132.71/78,199.02 = 20,960.67/x
  3. Step 3: Cross multiply
    52,132.71x = 78,199.02 × 20,960.67
  4. Step 4: Simplify right side
    52,132.71x = 1,639,103,852.54
  5. Step 5: Solve for x
    x = 1,639,103,852.54/52,132.71
  6. Step 6: Final answer
    x = 31,440.99

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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.