Home / 35,641.28-49,181.60-21,298.28

Finding the Fourth Proportional to 35,641.28, 49,181.60 and 21,298.28

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Solution

The fourth proportional to 35,641.28, 49,181.60 and 21,298.28 is: 29,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.28 : 49,181.60 = 21,298.28 : x
  2. Step 2: Convert to fraction form
    35,641.28/49,181.60 = 21,298.28/x
  3. Step 3: Cross multiply
    35,641.28x = 49,181.60 × 21,298.28
  4. Step 4: Simplify right side
    35,641.28x = 1,047,483,487.65
  5. Step 5: Solve for x
    x = 1,047,483,487.65/35,641.28
  6. Step 6: Final answer
    x = 29,389.61

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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.