Home / 31,235.65-43,104.64-19,134.25

Finding the Fourth Proportional to 31,235.65, 43,104.64 and 19,134.25

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Solution

The fourth proportional to 31,235.65, 43,104.64 and 19,134.25 is: 26,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.65 : 43,104.64 = 19,134.25 : x
  2. Step 2: Convert to fraction form
    31,235.65/43,104.64 = 19,134.25/x
  3. Step 3: Cross multiply
    31,235.65x = 43,104.64 × 19,134.25
  4. Step 4: Simplify right side
    31,235.65x = 824,774,802.32
  5. Step 5: Solve for x
    x = 824,774,802.32/31,235.65
  6. Step 6: Final answer
    x = 26,404.92

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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.