Home / 37,943.16-52,363.26-21,815.70

Finding the Fourth Proportional to 37,943.16, 52,363.26 and 21,815.70

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Solution

The fourth proportional to 37,943.16, 52,363.26 and 21,815.70 is: 30,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,943.16 : 52,363.26 = 21,815.70 : x
  2. Step 2: Convert to fraction form
    37,943.16/52,363.26 = 21,815.70/x
  3. Step 3: Cross multiply
    37,943.16x = 52,363.26 × 21,815.70
  4. Step 4: Simplify right side
    37,943.16x = 1,142,341,171.18
  5. Step 5: Solve for x
    x = 1,142,341,171.18/37,943.16
  6. Step 6: Final answer
    x = 30,106.64

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1.5x scale

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.