Home / 38,004.80-57,007.20-31,006.40

Finding the Fourth Proportional to 38,004.80, 57,007.20 and 31,006.40

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Solution

The fourth proportional to 38,004.80, 57,007.20 and 31,006.40 is: 46,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,004.80 : 57,007.20 = 31,006.40 : x
  2. Step 2: Convert to fraction form
    38,004.80/57,007.20 = 31,006.40/x
  3. Step 3: Cross multiply
    38,004.80x = 57,007.20 × 31,006.40
  4. Step 4: Simplify right side
    38,004.80x = 1,767,588,046.08
  5. Step 5: Solve for x
    x = 1,767,588,046.08/38,004.80
  6. Step 6: Final answer
    x = 46,509.60

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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.