Home / 56,634.68-84,951.63-19,221.09

Finding the Fourth Proportional to 56,634.68, 84,951.63 and 19,221.09

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Solution

The fourth proportional to 56,634.68, 84,951.63 and 19,221.09 is: 28,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634.68 : 84,951.63 = 19,221.09 : x
  2. Step 2: Convert to fraction form
    56,634.68/84,951.63 = 19,221.09/x
  3. Step 3: Cross multiply
    56,634.68x = 84,951.63 × 19,221.09
  4. Step 4: Simplify right side
    56,634.68x = 1,632,862,925.88
  5. Step 5: Solve for x
    x = 1,632,862,925.88/56,634.68
  6. Step 6: Final answer
    x = 28,831.51

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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.