Home / 34,860.56-48,115-21,443.12

Finding the Fourth Proportional to 34,860.56, 48,115 and 21,443.12

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Solution

The fourth proportional to 34,860.56, 48,115 and 21,443.12 is: 29,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.56 : 48,115 = 21,443.12 : x
  2. Step 2: Convert to fraction form
    34,860.56/48,115 = 21,443.12/x
  3. Step 3: Cross multiply
    34,860.56x = 48,115 × 21,443.12
  4. Step 4: Simplify right side
    34,860.56x = 1,031,735,718.80
  5. Step 5: Solve for x
    x = 1,031,735,718.80/34,860.56
  6. Step 6: Final answer
    x = 29,596.07

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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.