Home / 47,642.60-65,742.48-26,421.80

Finding the Fourth Proportional to 47,642.60, 65,742.48 and 26,421.80

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Solution

The fourth proportional to 47,642.60, 65,742.48 and 26,421.80 is: 36,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.60 : 65,742.48 = 26,421.80 : x
  2. Step 2: Convert to fraction form
    47,642.60/65,742.48 = 26,421.80/x
  3. Step 3: Cross multiply
    47,642.60x = 65,742.48 × 26,421.80
  4. Step 4: Simplify right side
    47,642.60x = 1,737,034,658.06
  5. Step 5: Solve for x
    x = 1,737,034,658.06/47,642.60
  6. Step 6: Final answer
    x = 36,459.69

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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.