Home / 23,240.81-34,987.67-21,174.10

Finding the Fourth Proportional to 23,240.81, 34,987.67 and 21,174.10

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Solution

The fourth proportional to 23,240.81, 34,987.67 and 21,174.10 is: 31,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,240.81 : 34,987.67 = 21,174.10 : x
  2. Step 2: Convert to fraction form
    23,240.81/34,987.67 = 21,174.10/x
  3. Step 3: Cross multiply
    23,240.81x = 34,987.67 × 21,174.10
  4. Step 4: Simplify right side
    23,240.81x = 740,832,428.51
  5. Step 5: Solve for x
    x = 740,832,428.51/23,240.81
  6. Step 6: Final answer
    x = 31,876.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.