Home / 38,426.70-57,640.05-37,908.30

Finding the Fourth Proportional to 38,426.70, 57,640.05 and 37,908.30

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Solution

The fourth proportional to 38,426.70, 57,640.05 and 37,908.30 is: 56,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,426.70 : 57,640.05 = 37,908.30 : x
  2. Step 2: Convert to fraction form
    38,426.70/57,640.05 = 37,908.30/x
  3. Step 3: Cross multiply
    38,426.70x = 57,640.05 × 37,908.30
  4. Step 4: Simplify right side
    38,426.70x = 2,185,036,307.42
  5. Step 5: Solve for x
    x = 2,185,036,307.42/38,426.70
  6. Step 6: Final answer
    x = 56,862.45

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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.