Home / 46,278.39-63,831.70-28,380.53

Finding the Fourth Proportional to 46,278.39, 63,831.70 and 28,380.53

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Solution

The fourth proportional to 46,278.39, 63,831.70 and 28,380.53 is: 39,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,278.39 : 63,831.70 = 28,380.53 : x
  2. Step 2: Convert to fraction form
    46,278.39/63,831.70 = 28,380.53/x
  3. Step 3: Cross multiply
    46,278.39x = 63,831.70 × 28,380.53
  4. Step 4: Simplify right side
    46,278.39x = 1,811,577,476.80
  5. Step 5: Solve for x
    x = 1,811,577,476.80/46,278.39
  6. Step 6: Final answer
    x = 39,145.21

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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.