Home / 35,743.88-49,332.93-20,634.47

Finding the Fourth Proportional to 35,743.88, 49,332.93 and 20,634.47

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Solution

The fourth proportional to 35,743.88, 49,332.93 and 20,634.47 is: 28,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,743.88 : 49,332.93 = 20,634.47 : x
  2. Step 2: Convert to fraction form
    35,743.88/49,332.93 = 20,634.47/x
  3. Step 3: Cross multiply
    35,743.88x = 49,332.93 × 20,634.47
  4. Step 4: Simplify right side
    35,743.88x = 1,017,958,864.10
  5. Step 5: Solve for x
    x = 1,017,958,864.10/35,743.88
  6. Step 6: Final answer
    x = 28,479.25

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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.