Home / 38,001.80-57,002.70-31,003.40

Finding the Fourth Proportional to 38,001.80, 57,002.70 and 31,003.40

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Solution

The fourth proportional to 38,001.80, 57,002.70 and 31,003.40 is: 46,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.80 : 57,002.70 = 31,003.40 : x
  2. Step 2: Convert to fraction form
    38,001.80/57,002.70 = 31,003.40/x
  3. Step 3: Cross multiply
    38,001.80x = 57,002.70 × 31,003.40
  4. Step 4: Simplify right side
    38,001.80x = 1,767,277,509.18
  5. Step 5: Solve for x
    x = 1,767,277,509.18/38,001.80
  6. Step 6: Final answer
    x = 46,505.10

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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.