Home / 35,734.72-49,314.68-19,818.64

Finding the Fourth Proportional to 35,734.72, 49,314.68 and 19,818.64

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Solution

The fourth proportional to 35,734.72, 49,314.68 and 19,818.64 is: 27,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,734.72 : 49,314.68 = 19,818.64 : x
  2. Step 2: Convert to fraction form
    35,734.72/49,314.68 = 19,818.64/x
  3. Step 3: Cross multiply
    35,734.72x = 49,314.68 × 19,818.64
  4. Step 4: Simplify right side
    35,734.72x = 977,349,889.64
  5. Step 5: Solve for x
    x = 977,349,889.64/35,734.72
  6. Step 6: Final answer
    x = 27,350.15

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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.