Home / 35,913.96-53,864.39-18,140.45

Finding the Fourth Proportional to 35,913.96, 53,864.39 and 18,140.45

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Solution

The fourth proportional to 35,913.96, 53,864.39 and 18,140.45 is: 27,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,913.96 : 53,864.39 = 18,140.45 : x
  2. Step 2: Convert to fraction form
    35,913.96/53,864.39 = 18,140.45/x
  3. Step 3: Cross multiply
    35,913.96x = 53,864.39 × 18,140.45
  4. Step 4: Simplify right side
    35,913.96x = 977,124,049.60
  5. Step 5: Solve for x
    x = 977,124,049.60/35,913.96
  6. Step 6: Final answer
    x = 27,207.36

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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.