Home / 62,615.20-86,408.52-34,320.40

Finding the Fourth Proportional to 62,615.20, 86,408.52 and 34,320.40

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Solution

The fourth proportional to 62,615.20, 86,408.52 and 34,320.40 is: 47,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,615.20 : 86,408.52 = 34,320.40 : x
  2. Step 2: Convert to fraction form
    62,615.20/86,408.52 = 34,320.40/x
  3. Step 3: Cross multiply
    62,615.20x = 86,408.52 × 34,320.40
  4. Step 4: Simplify right side
    62,615.20x = 2,965,574,969.81
  5. Step 5: Solve for x
    x = 2,965,574,969.81/62,615.20
  6. Step 6: Final answer
    x = 47,361.90

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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.