Home / 37,099.12-51,189.24-21,985.13

Finding the Fourth Proportional to 37,099.12, 51,189.24 and 21,985.13

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Solution

The fourth proportional to 37,099.12, 51,189.24 and 21,985.13 is: 30,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.12 : 51,189.24 = 21,985.13 : x
  2. Step 2: Convert to fraction form
    37,099.12/51,189.24 = 21,985.13/x
  3. Step 3: Cross multiply
    37,099.12x = 51,189.24 × 21,985.13
  4. Step 4: Simplify right side
    37,099.12x = 1,125,402,096.00
  5. Step 5: Solve for x
    x = 1,125,402,096.00/37,099.12
  6. Step 6: Final answer
    x = 30,335.01

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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.