Home / 35,287.72-52,862.38-20,465.51

Finding the Fourth Proportional to 35,287.72, 52,862.38 and 20,465.51

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Solution

The fourth proportional to 35,287.72, 52,862.38 and 20,465.51 is: 30,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,287.72 : 52,862.38 = 20,465.51 : x
  2. Step 2: Convert to fraction form
    35,287.72/52,862.38 = 20,465.51/x
  3. Step 3: Cross multiply
    35,287.72x = 52,862.38 × 20,465.51
  4. Step 4: Simplify right side
    35,287.72x = 1,081,855,251.04
  5. Step 5: Solve for x
    x = 1,081,855,251.04/35,287.72
  6. Step 6: Final answer
    x = 30,658.12

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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.