Home / 53,059.68-79,545.24-19,761.12

Finding the Fourth Proportional to 53,059.68, 79,545.24 and 19,761.12

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Solution

The fourth proportional to 53,059.68, 79,545.24 and 19,761.12 is: 29,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,059.68 : 79,545.24 = 19,761.12 : x
  2. Step 2: Convert to fraction form
    53,059.68/79,545.24 = 19,761.12/x
  3. Step 3: Cross multiply
    53,059.68x = 79,545.24 × 19,761.12
  4. Step 4: Simplify right side
    53,059.68x = 1,571,903,033.07
  5. Step 5: Solve for x
    x = 1,571,903,033.07/53,059.68
  6. Step 6: Final answer
    x = 29,625.19

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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.