Home / 34,438.18-51,647.47-13,373.72

Finding the Fourth Proportional to 34,438.18, 51,647.47 and 13,373.72

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Solution

The fourth proportional to 34,438.18, 51,647.47 and 13,373.72 is: 20,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,438.18 : 51,647.47 = 13,373.72 : x
  2. Step 2: Convert to fraction form
    34,438.18/51,647.47 = 13,373.72/x
  3. Step 3: Cross multiply
    34,438.18x = 51,647.47 × 13,373.72
  4. Step 4: Simplify right side
    34,438.18x = 690,718,852.35
  5. Step 5: Solve for x
    x = 690,718,852.35/34,438.18
  6. Step 6: Final answer
    x = 20,056.78

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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.