Home / 35,614.60-53,453.58-18,988.36

Finding the Fourth Proportional to 35,614.60, 53,453.58 and 18,988.36

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Solution

The fourth proportional to 35,614.60, 53,453.58 and 18,988.36 is: 28,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,614.60 : 53,453.58 = 18,988.36 : x
  2. Step 2: Convert to fraction form
    35,614.60/53,453.58 = 18,988.36/x
  3. Step 3: Cross multiply
    35,614.60x = 53,453.58 × 18,988.36
  4. Step 4: Simplify right side
    35,614.60x = 1,014,995,820.33
  5. Step 5: Solve for x
    x = 1,014,995,820.33/35,614.60
  6. Step 6: Final answer
    x = 28,499.43

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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.