Home / 47,643.12-65,745.72-26,421.84

Finding the Fourth Proportional to 47,643.12, 65,745.72 and 26,421.84

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Solution

The fourth proportional to 47,643.12, 65,745.72 and 26,421.84 is: 36,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.12 : 65,745.72 = 26,421.84 : x
  2. Step 2: Convert to fraction form
    47,643.12/65,745.72 = 26,421.84/x
  3. Step 3: Cross multiply
    47,643.12x = 65,745.72 × 26,421.84
  4. Step 4: Simplify right side
    47,643.12x = 1,737,122,894.52
  5. Step 5: Solve for x
    x = 1,737,122,894.52/47,643.12
  6. Step 6: Final answer
    x = 36,461.15

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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.