Home / 38,079.18-57,054.12-26,931.36

Finding the Fourth Proportional to 38,079.18, 57,054.12 and 26,931.36

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Solution

The fourth proportional to 38,079.18, 57,054.12 and 26,931.36 is: 40,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.18 : 57,054.12 = 26,931.36 : x
  2. Step 2: Convert to fraction form
    38,079.18/57,054.12 = 26,931.36/x
  3. Step 3: Cross multiply
    38,079.18x = 57,054.12 × 26,931.36
  4. Step 4: Simplify right side
    38,079.18x = 1,536,545,045.20
  5. Step 5: Solve for x
    x = 1,536,545,045.20/38,079.18
  6. Step 6: Final answer
    x = 40,351.32

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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.