Home / 38,007.20-57,005.40-13,048.40

Finding the Fourth Proportional to 38,007.20, 57,005.40 and 13,048.40

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Solution

The fourth proportional to 38,007.20, 57,005.40 and 13,048.40 is: 19,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.20 : 57,005.40 = 13,048.40 : x
  2. Step 2: Convert to fraction form
    38,007.20/57,005.40 = 13,048.40/x
  3. Step 3: Cross multiply
    38,007.20x = 57,005.40 × 13,048.40
  4. Step 4: Simplify right side
    38,007.20x = 743,829,261.36
  5. Step 5: Solve for x
    x = 743,829,261.36/38,007.20
  6. Step 6: Final answer
    x = 19,570.75

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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.