Home / 38,205.18-52,723.35-21,209.67

Finding the Fourth Proportional to 38,205.18, 52,723.35 and 21,209.67

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Solution

The fourth proportional to 38,205.18, 52,723.35 and 21,209.67 is: 29,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205.18 : 52,723.35 = 21,209.67 : x
  2. Step 2: Convert to fraction form
    38,205.18/52,723.35 = 21,209.67/x
  3. Step 3: Cross multiply
    38,205.18x = 52,723.35 × 21,209.67
  4. Step 4: Simplify right side
    38,205.18x = 1,118,244,854.79
  5. Step 5: Solve for x
    x = 1,118,244,854.79/38,205.18
  6. Step 6: Final answer
    x = 29,269.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.