Home / 23,129.31-31,919.08-14,051.58

Finding the Fourth Proportional to 23,129.31, 31,919.08 and 14,051.58

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Solution

The fourth proportional to 23,129.31, 31,919.08 and 14,051.58 is: 19,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.31 : 31,919.08 = 14,051.58 : x
  2. Step 2: Convert to fraction form
    23,129.31/31,919.08 = 14,051.58/x
  3. Step 3: Cross multiply
    23,129.31x = 31,919.08 × 14,051.58
  4. Step 4: Simplify right side
    23,129.31x = 448,513,607.46
  5. Step 5: Solve for x
    x = 448,513,607.46/23,129.31
  6. Step 6: Final answer
    x = 19,391.57

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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.