Home / 21,045.93-31,569.04-14,452.12

Finding the Fourth Proportional to 21,045.93, 31,569.04 and 14,452.12

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Solution

The fourth proportional to 21,045.93, 31,569.04 and 14,452.12 is: 21,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.93 : 31,569.04 = 14,452.12 : x
  2. Step 2: Convert to fraction form
    21,045.93/31,569.04 = 14,452.12/x
  3. Step 3: Cross multiply
    21,045.93x = 31,569.04 × 14,452.12
  4. Step 4: Simplify right side
    21,045.93x = 456,239,611.89
  5. Step 5: Solve for x
    x = 456,239,611.89/21,045.93
  6. Step 6: Final answer
    x = 21,678.29

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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.