Home / 23,649.30-35,369.40-21,035.16

Finding the Fourth Proportional to 23,649.30, 35,369.40 and 21,035.16

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Solution

The fourth proportional to 23,649.30, 35,369.40 and 21,035.16 is: 31,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,649.30 : 35,369.40 = 21,035.16 : x
  2. Step 2: Convert to fraction form
    23,649.30/35,369.40 = 21,035.16/x
  3. Step 3: Cross multiply
    23,649.30x = 35,369.40 × 21,035.16
  4. Step 4: Simplify right side
    23,649.30x = 744,000,988.10
  5. Step 5: Solve for x
    x = 744,000,988.10/23,649.30
  6. Step 6: Final answer
    x = 31,459.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.