Home / 35,920.48-49,562.64-20,812.32

Finding the Fourth Proportional to 35,920.48, 49,562.64 and 20,812.32

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Solution

The fourth proportional to 35,920.48, 49,562.64 and 20,812.32 is: 28,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.48 : 49,562.64 = 20,812.32 : x
  2. Step 2: Convert to fraction form
    35,920.48/49,562.64 = 20,812.32/x
  3. Step 3: Cross multiply
    35,920.48x = 49,562.64 × 20,812.32
  4. Step 4: Simplify right side
    35,920.48x = 1,031,513,523.72
  5. Step 5: Solve for x
    x = 1,031,513,523.72/35,920.48
  6. Step 6: Final answer
    x = 28,716.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.