Home / 56,284.20-84,458.70-21,227.40

Finding the Fourth Proportional to 56,284.20, 84,458.70 and 21,227.40

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Solution

The fourth proportional to 56,284.20, 84,458.70 and 21,227.40 is: 31,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,284.20 : 84,458.70 = 21,227.40 : x
  2. Step 2: Convert to fraction form
    56,284.20/84,458.70 = 21,227.40/x
  3. Step 3: Cross multiply
    56,284.20x = 84,458.70 × 21,227.40
  4. Step 4: Simplify right side
    56,284.20x = 1,792,838,608.38
  5. Step 5: Solve for x
    x = 1,792,838,608.38/56,284.20
  6. Step 6: Final answer
    x = 31,853.32

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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.