Home / 35,287.62-52,862.23-20,465.40

Finding the Fourth Proportional to 35,287.62, 52,862.23 and 20,465.40

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Solution

The fourth proportional to 35,287.62, 52,862.23 and 20,465.40 is: 30,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,287.62 : 52,862.23 = 20,465.40 : x
  2. Step 2: Convert to fraction form
    35,287.62/52,862.23 = 20,465.40/x
  3. Step 3: Cross multiply
    35,287.62x = 52,862.23 × 20,465.40
  4. Step 4: Simplify right side
    35,287.62x = 1,081,846,681.84
  5. Step 5: Solve for x
    x = 1,081,846,681.84/35,287.62
  6. Step 6: Final answer
    x = 30,657.97

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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.