Home / 38,516.68-53,152.41-21,521.26

Finding the Fourth Proportional to 38,516.68, 53,152.41 and 21,521.26

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Solution

The fourth proportional to 38,516.68, 53,152.41 and 21,521.26 is: 29,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.68 : 53,152.41 = 21,521.26 : x
  2. Step 2: Convert to fraction form
    38,516.68/53,152.41 = 21,521.26/x
  3. Step 3: Cross multiply
    38,516.68x = 53,152.41 × 21,521.26
  4. Step 4: Simplify right side
    38,516.68x = 1,143,906,835.24
  5. Step 5: Solve for x
    x = 1,143,906,835.24/38,516.68
  6. Step 6: Final answer
    x = 29,699.00

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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.