Home / 35,742.64-49,324.08-19,826.72

Finding the Fourth Proportional to 35,742.64, 49,324.08 and 19,826.72

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Solution

The fourth proportional to 35,742.64, 49,324.08 and 19,826.72 is: 27,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.64 : 49,324.08 = 19,826.72 : x
  2. Step 2: Convert to fraction form
    35,742.64/49,324.08 = 19,826.72/x
  3. Step 3: Cross multiply
    35,742.64x = 49,324.08 × 19,826.72
  4. Step 4: Simplify right side
    35,742.64x = 977,934,723.42
  5. Step 5: Solve for x
    x = 977,934,723.42/35,742.64
  6. Step 6: Final answer
    x = 27,360.45

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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.