Home / 31,537.63-43,518.90-19,436.23

Finding the Fourth Proportional to 31,537.63, 43,518.90 and 19,436.23

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Solution

The fourth proportional to 31,537.63, 43,518.90 and 19,436.23 is: 26,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.63 : 43,518.90 = 19,436.23 : x
  2. Step 2: Convert to fraction form
    31,537.63/43,518.90 = 19,436.23/x
  3. Step 3: Cross multiply
    31,537.63x = 43,518.90 × 19,436.23
  4. Step 4: Simplify right side
    31,537.63x = 845,843,349.75
  5. Step 5: Solve for x
    x = 845,843,349.75/31,537.63
  6. Step 6: Final answer
    x = 26,820.13

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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.