Home / 37,153.10-51,271.28-21,237.90

Finding the Fourth Proportional to 37,153.10, 51,271.28 and 21,237.90

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Solution

The fourth proportional to 37,153.10, 51,271.28 and 21,237.90 is: 29,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.10 : 51,271.28 = 21,237.90 : x
  2. Step 2: Convert to fraction form
    37,153.10/51,271.28 = 21,237.90/x
  3. Step 3: Cross multiply
    37,153.10x = 51,271.28 × 21,237.90
  4. Step 4: Simplify right side
    37,153.10x = 1,088,893,954.97
  5. Step 5: Solve for x
    x = 1,088,893,954.97/37,153.10
  6. Step 6: Final answer
    x = 29,308.29

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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.