Home / 55,031.96-75,945-29,881.52

Finding the Fourth Proportional to 55,031.96, 75,945 and 29,881.52

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Solution

The fourth proportional to 55,031.96, 75,945 and 29,881.52 is: 41,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.96 : 75,945 = 29,881.52 : x
  2. Step 2: Convert to fraction form
    55,031.96/75,945 = 29,881.52/x
  3. Step 3: Cross multiply
    55,031.96x = 75,945 × 29,881.52
  4. Step 4: Simplify right side
    55,031.96x = 2,269,352,036.40
  5. Step 5: Solve for x
    x = 2,269,352,036.40/55,031.96
  6. Step 6: Final answer
    x = 41,236.98

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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.