Home / 38,398.34-57,485.36-31,017.18

Finding the Fourth Proportional to 38,398.34, 57,485.36 and 31,017.18

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Solution

The fourth proportional to 38,398.34, 57,485.36 and 31,017.18 is: 46,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.34 : 57,485.36 = 31,017.18 : x
  2. Step 2: Convert to fraction form
    38,398.34/57,485.36 = 31,017.18/x
  3. Step 3: Cross multiply
    38,398.34x = 57,485.36 × 31,017.18
  4. Step 4: Simplify right side
    38,398.34x = 1,783,033,758.48
  5. Step 5: Solve for x
    x = 1,783,033,758.48/38,398.34
  6. Step 6: Final answer
    x = 46,435.18

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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.