Home / 38,020.46-52,463.64-21,022.40

Finding the Fourth Proportional to 38,020.46, 52,463.64 and 21,022.40

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Solution

The fourth proportional to 38,020.46, 52,463.64 and 21,022.40 is: 29,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.46 : 52,463.64 = 21,022.40 : x
  2. Step 2: Convert to fraction form
    38,020.46/52,463.64 = 21,022.40/x
  3. Step 3: Cross multiply
    38,020.46x = 52,463.64 × 21,022.40
  4. Step 4: Simplify right side
    38,020.46x = 1,102,911,835.53
  5. Step 5: Solve for x
    x = 1,102,911,835.53/38,020.46
  6. Step 6: Final answer
    x = 29,008.38

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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.