Home / 53,162.12-79,759.59-19,885.55

Finding the Fourth Proportional to 53,162.12, 79,759.59 and 19,885.55

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Solution

The fourth proportional to 53,162.12, 79,759.59 and 19,885.55 is: 29,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,162.12 : 79,759.59 = 19,885.55 : x
  2. Step 2: Convert to fraction form
    53,162.12/79,759.59 = 19,885.55/x
  3. Step 3: Cross multiply
    53,162.12x = 79,759.59 × 19,885.55
  4. Step 4: Simplify right side
    53,162.12x = 1,586,062,916.13
  5. Step 5: Solve for x
    x = 1,586,062,916.13/53,162.12
  6. Step 6: Final answer
    x = 29,834.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.