Home / 35,638.78-49,176.48-19,723.18

Finding the Fourth Proportional to 35,638.78, 49,176.48 and 19,723.18

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Solution

The fourth proportional to 35,638.78, 49,176.48 and 19,723.18 is: 27,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.78 : 49,176.48 = 19,723.18 : x
  2. Step 2: Convert to fraction form
    35,638.78/49,176.48 = 19,723.18/x
  3. Step 3: Cross multiply
    35,638.78x = 49,176.48 × 19,723.18
  4. Step 4: Simplify right side
    35,638.78x = 969,916,566.81
  5. Step 5: Solve for x
    x = 969,916,566.81/35,638.78
  6. Step 6: Final answer
    x = 27,215.20

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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.