Home / 31,656.99-43,700.10-19,726.23

Finding the Fourth Proportional to 31,656.99, 43,700.10 and 19,726.23

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Solution

The fourth proportional to 31,656.99, 43,700.10 and 19,726.23 is: 27,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.99 : 43,700.10 = 19,726.23 : x
  2. Step 2: Convert to fraction form
    31,656.99/43,700.10 = 19,726.23/x
  3. Step 3: Cross multiply
    31,656.99x = 43,700.10 × 19,726.23
  4. Step 4: Simplify right side
    31,656.99x = 862,038,223.62
  5. Step 5: Solve for x
    x = 862,038,223.62/31,656.99
  6. Step 6: Final answer
    x = 27,230.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.