Home / 31,462.32-43,417.44-17,315.04

Finding the Fourth Proportional to 31,462.32, 43,417.44 and 17,315.04

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Solution

The fourth proportional to 31,462.32, 43,417.44 and 17,315.04 is: 23,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.32 : 43,417.44 = 17,315.04 : x
  2. Step 2: Convert to fraction form
    31,462.32/43,417.44 = 17,315.04/x
  3. Step 3: Cross multiply
    31,462.32x = 43,417.44 × 17,315.04
  4. Step 4: Simplify right side
    31,462.32x = 751,774,710.30
  5. Step 5: Solve for x
    x = 751,774,710.30/31,462.32
  6. Step 6: Final answer
    x = 23,894.45

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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.