Home / 40,408.86-55,749.14-40,346.57

Finding the Fourth Proportional to 40,408.86, 55,749.14 and 40,346.57

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Solution

The fourth proportional to 40,408.86, 55,749.14 and 40,346.57 is: 55,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.86 : 55,749.14 = 40,346.57 : x
  2. Step 2: Convert to fraction form
    40,408.86/55,749.14 = 40,346.57/x
  3. Step 3: Cross multiply
    40,408.86x = 55,749.14 × 40,346.57
  4. Step 4: Simplify right side
    40,408.86x = 2,249,286,401.57
  5. Step 5: Solve for x
    x = 2,249,286,401.57/40,408.86
  6. Step 6: Final answer
    x = 55,663.20

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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.