Home / 53,220.78-79,831.20-16,284.78

Finding the Fourth Proportional to 53,220.78, 79,831.20 and 16,284.78

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Solution

The fourth proportional to 53,220.78, 79,831.20 and 16,284.78 is: 24,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.78 : 79,831.20 = 16,284.78 : x
  2. Step 2: Convert to fraction form
    53,220.78/79,831.20 = 16,284.78/x
  3. Step 3: Cross multiply
    53,220.78x = 79,831.20 × 16,284.78
  4. Step 4: Simplify right side
    53,220.78x = 1,300,033,529.14
  5. Step 5: Solve for x
    x = 1,300,033,529.14/53,220.78
  6. Step 6: Final answer
    x = 24,427.18

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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.