Home / 47,407.76-65,421.45-26,186.57

Finding the Fourth Proportional to 47,407.76, 65,421.45 and 26,186.57

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Solution

The fourth proportional to 47,407.76, 65,421.45 and 26,186.57 is: 36,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,407.76 : 65,421.45 = 26,186.57 : x
  2. Step 2: Convert to fraction form
    47,407.76/65,421.45 = 26,186.57/x
  3. Step 3: Cross multiply
    47,407.76x = 65,421.45 × 26,186.57
  4. Step 4: Simplify right side
    47,407.76x = 1,713,163,298.15
  5. Step 5: Solve for x
    x = 1,713,163,298.15/47,407.76
  6. Step 6: Final answer
    x = 36,136.77

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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.