Home / 62,290.82-85,931.43-40,771.09

Finding the Fourth Proportional to 62,290.82, 85,931.43 and 40,771.09

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Solution

The fourth proportional to 62,290.82, 85,931.43 and 40,771.09 is: 56,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,290.82 : 85,931.43 = 40,771.09 : x
  2. Step 2: Convert to fraction form
    62,290.82/85,931.43 = 40,771.09/x
  3. Step 3: Cross multiply
    62,290.82x = 85,931.43 × 40,771.09
  4. Step 4: Simplify right side
    62,290.82x = 3,503,518,066.36
  5. Step 5: Solve for x
    x = 3,503,518,066.36/62,290.82
  6. Step 6: Final answer
    x = 56,244.53

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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.