Home / 38,395.29-57,617.54-18,663.08

Finding the Fourth Proportional to 38,395.29, 57,617.54 and 18,663.08

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Solution

The fourth proportional to 38,395.29, 57,617.54 and 18,663.08 is: 28,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.29 : 57,617.54 = 18,663.08 : x
  2. Step 2: Convert to fraction form
    38,395.29/57,617.54 = 18,663.08/x
  3. Step 3: Cross multiply
    38,395.29x = 57,617.54 × 18,663.08
  4. Step 4: Simplify right side
    38,395.29x = 1,075,320,959.40
  5. Step 5: Solve for x
    x = 1,075,320,959.40/38,395.29
  6. Step 6: Final answer
    x = 28,006.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.