Home / 37,422.81-51,643.04-21,506.04

Finding the Fourth Proportional to 37,422.81, 51,643.04 and 21,506.04

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Solution

The fourth proportional to 37,422.81, 51,643.04 and 21,506.04 is: 29,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.81 : 51,643.04 = 21,506.04 : x
  2. Step 2: Convert to fraction form
    37,422.81/51,643.04 = 21,506.04/x
  3. Step 3: Cross multiply
    37,422.81x = 51,643.04 × 21,506.04
  4. Step 4: Simplify right side
    37,422.81x = 1,110,637,176.43
  5. Step 5: Solve for x
    x = 1,110,637,176.43/37,422.81
  6. Step 6: Final answer
    x = 29,678.08

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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.