Home / 61,931.62-85,450.99-36,439.10

Finding the Fourth Proportional to 61,931.62, 85,450.99 and 36,439.10

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Solution

The fourth proportional to 61,931.62, 85,450.99 and 36,439.10 is: 50,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,931.62 : 85,450.99 = 36,439.10 : x
  2. Step 2: Convert to fraction form
    61,931.62/85,450.99 = 36,439.10/x
  3. Step 3: Cross multiply
    61,931.62x = 85,450.99 × 36,439.10
  4. Step 4: Simplify right side
    61,931.62x = 3,113,756,560.26
  5. Step 5: Solve for x
    x = 3,113,756,560.26/61,931.62
  6. Step 6: Final answer
    x = 50,277.34

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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.