Home / 21,024.33-31,547.46-19,814.19

Finding the Fourth Proportional to 21,024.33, 31,547.46 and 19,814.19

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Solution

The fourth proportional to 21,024.33, 31,547.46 and 19,814.19 is: 29,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.33 : 31,547.46 = 19,814.19 : x
  2. Step 2: Convert to fraction form
    21,024.33/31,547.46 = 19,814.19/x
  3. Step 3: Cross multiply
    21,024.33x = 31,547.46 × 19,814.19
  4. Step 4: Simplify right side
    21,024.33x = 625,087,366.46
  5. Step 5: Solve for x
    x = 625,087,366.46/21,024.33
  6. Step 6: Final answer
    x = 29,731.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.