Home / 31,007.80-46,460.40-17,837.20

Finding the Fourth Proportional to 31,007.80, 46,460.40 and 17,837.20

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Solution

The fourth proportional to 31,007.80, 46,460.40 and 17,837.20 is: 26,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.80 : 46,460.40 = 17,837.20 : x
  2. Step 2: Convert to fraction form
    31,007.80/46,460.40 = 17,837.20/x
  3. Step 3: Cross multiply
    31,007.80x = 46,460.40 × 17,837.20
  4. Step 4: Simplify right side
    31,007.80x = 828,723,446.88
  5. Step 5: Solve for x
    x = 828,723,446.88/31,007.80
  6. Step 6: Final answer
    x = 26,726.29

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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.