Home / 55,038.78-75,952.35-29,888.28

Finding the Fourth Proportional to 55,038.78, 75,952.35 and 29,888.28

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Solution

The fourth proportional to 55,038.78, 75,952.35 and 29,888.28 is: 41,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,038.78 : 75,952.35 = 29,888.28 : x
  2. Step 2: Convert to fraction form
    55,038.78/75,952.35 = 29,888.28/x
  3. Step 3: Cross multiply
    55,038.78x = 75,952.35 × 29,888.28
  4. Step 4: Simplify right side
    55,038.78x = 2,270,085,103.46
  5. Step 5: Solve for x
    x = 2,270,085,103.46/55,038.78
  6. Step 6: Final answer
    x = 41,245.19

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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.