Home / 38,192.34-57,330.40-30,345.28

Finding the Fourth Proportional to 38,192.34, 57,330.40 and 30,345.28

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Solution

The fourth proportional to 38,192.34, 57,330.40 and 30,345.28 is: 45,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192.34 : 57,330.40 = 30,345.28 : x
  2. Step 2: Convert to fraction form
    38,192.34/57,330.40 = 30,345.28/x
  3. Step 3: Cross multiply
    38,192.34x = 57,330.40 × 30,345.28
  4. Step 4: Simplify right side
    38,192.34x = 1,739,707,040.51
  5. Step 5: Solve for x
    x = 1,739,707,040.51/38,192.34
  6. Step 6: Final answer
    x = 45,551.20

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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.