Home / 53,205.61-79,808.41-18,145.57

Finding the Fourth Proportional to 53,205.61, 79,808.41 and 18,145.57

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Solution

The fourth proportional to 53,205.61, 79,808.41 and 18,145.57 is: 27,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.61 : 79,808.41 = 18,145.57 : x
  2. Step 2: Convert to fraction form
    53,205.61/79,808.41 = 18,145.57/x
  3. Step 3: Cross multiply
    53,205.61x = 79,808.41 × 18,145.57
  4. Step 4: Simplify right side
    53,205.61x = 1,448,168,913.40
  5. Step 5: Solve for x
    x = 1,448,168,913.40/53,205.61
  6. Step 6: Final answer
    x = 27,218.35

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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.