Home / 35,623.78-49,152.71-21,281.33

Finding the Fourth Proportional to 35,623.78, 49,152.71 and 21,281.33

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Solution

The fourth proportional to 35,623.78, 49,152.71 and 21,281.33 is: 29,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.78 : 49,152.71 = 21,281.33 : x
  2. Step 2: Convert to fraction form
    35,623.78/49,152.71 = 21,281.33/x
  3. Step 3: Cross multiply
    35,623.78x = 49,152.71 × 21,281.33
  4. Step 4: Simplify right side
    35,623.78x = 1,046,035,188.06
  5. Step 5: Solve for x
    x = 1,046,035,188.06/35,623.78
  6. Step 6: Final answer
    x = 29,363.40

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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.