Home / 36,438.73-54,658.11-28,130.89

Finding the Fourth Proportional to 36,438.73, 54,658.11 and 28,130.89

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Solution

The fourth proportional to 36,438.73, 54,658.11 and 28,130.89 is: 42,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.73 : 54,658.11 = 28,130.89 : x
  2. Step 2: Convert to fraction form
    36,438.73/54,658.11 = 28,130.89/x
  3. Step 3: Cross multiply
    36,438.73x = 54,658.11 × 28,130.89
  4. Step 4: Simplify right side
    36,438.73x = 1,537,581,280.02
  5. Step 5: Solve for x
    x = 1,537,581,280.02/36,438.73
  6. Step 6: Final answer
    x = 42,196.35

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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.