Home / 35,691.72-49,254.46-19,776.16

Finding the Fourth Proportional to 35,691.72, 49,254.46 and 19,776.16

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Solution

The fourth proportional to 35,691.72, 49,254.46 and 19,776.16 is: 27,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.72 : 49,254.46 = 19,776.16 : x
  2. Step 2: Convert to fraction form
    35,691.72/49,254.46 = 19,776.16/x
  3. Step 3: Cross multiply
    35,691.72x = 49,254.46 × 19,776.16
  4. Step 4: Simplify right side
    35,691.72x = 974,064,081.67
  5. Step 5: Solve for x
    x = 974,064,081.67/35,691.72
  6. Step 6: Final answer
    x = 27,291.04

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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.