Home / 55,613.19-76,745.48-30,462.87

Finding the Fourth Proportional to 55,613.19, 76,745.48 and 30,462.87

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Solution

The fourth proportional to 55,613.19, 76,745.48 and 30,462.87 is: 42,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,613.19 : 76,745.48 = 30,462.87 : x
  2. Step 2: Convert to fraction form
    55,613.19/76,745.48 = 30,462.87/x
  3. Step 3: Cross multiply
    55,613.19x = 76,745.48 × 30,462.87
  4. Step 4: Simplify right side
    55,613.19x = 2,337,887,428.01
  5. Step 5: Solve for x
    x = 2,337,887,428.01/55,613.19
  6. Step 6: Final answer
    x = 42,038.36

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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.