Home / 22,120.08-33,113.88-21,332.40

Finding the Fourth Proportional to 22,120.08, 33,113.88 and 21,332.40

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Solution

The fourth proportional to 22,120.08, 33,113.88 and 21,332.40 is: 31,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.08 : 33,113.88 = 21,332.40 : x
  2. Step 2: Convert to fraction form
    22,120.08/33,113.88 = 21,332.40/x
  3. Step 3: Cross multiply
    22,120.08x = 33,113.88 × 21,332.40
  4. Step 4: Simplify right side
    22,120.08x = 706,398,533.71
  5. Step 5: Solve for x
    x = 706,398,533.71/22,120.08
  6. Step 6: Final answer
    x = 31,934.72

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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.