Home / 53,079.75-79,651.38-19,823.19

Finding the Fourth Proportional to 53,079.75, 79,651.38 and 19,823.19

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Solution

The fourth proportional to 53,079.75, 79,651.38 and 19,823.19 is: 29,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,079.75 : 79,651.38 = 19,823.19 : x
  2. Step 2: Convert to fraction form
    53,079.75/79,651.38 = 19,823.19/x
  3. Step 3: Cross multiply
    53,079.75x = 79,651.38 × 19,823.19
  4. Step 4: Simplify right side
    53,079.75x = 1,578,944,439.50
  5. Step 5: Solve for x
    x = 1,578,944,439.50/53,079.75
  6. Step 6: Final answer
    x = 29,746.64

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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.