Home / 61,557.72-84,919.62-38,885.80

Finding the Fourth Proportional to 61,557.72, 84,919.62 and 38,885.80

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Solution

The fourth proportional to 61,557.72, 84,919.62 and 38,885.80 is: 53,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,557.72 : 84,919.62 = 38,885.80 : x
  2. Step 2: Convert to fraction form
    61,557.72/84,919.62 = 38,885.80/x
  3. Step 3: Cross multiply
    61,557.72x = 84,919.62 × 38,885.80
  4. Step 4: Simplify right side
    61,557.72x = 3,302,167,359.40
  5. Step 5: Solve for x
    x = 3,302,167,359.40/61,557.72
  6. Step 6: Final answer
    x = 53,643.43

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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.