Home / 53,265.57-79,912.02-18,205.23

Finding the Fourth Proportional to 53,265.57, 79,912.02 and 18,205.23

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Solution

The fourth proportional to 53,265.57, 79,912.02 and 18,205.23 is: 27,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,265.57 : 79,912.02 = 18,205.23 : x
  2. Step 2: Convert to fraction form
    53,265.57/79,912.02 = 18,205.23/x
  3. Step 3: Cross multiply
    53,265.57x = 79,912.02 × 18,205.23
  4. Step 4: Simplify right side
    53,265.57x = 1,454,816,703.86
  5. Step 5: Solve for x
    x = 1,454,816,703.86/53,265.57
  6. Step 6: Final answer
    x = 27,312.52

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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.