Home / 35,547.68-53,353.84-18,921.62

Finding the Fourth Proportional to 35,547.68, 53,353.84 and 18,921.62

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Solution

The fourth proportional to 35,547.68, 53,353.84 and 18,921.62 is: 28,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,547.68 : 53,353.84 = 18,921.62 : x
  2. Step 2: Convert to fraction form
    35,547.68/53,353.84 = 18,921.62/x
  3. Step 3: Cross multiply
    35,547.68x = 53,353.84 × 18,921.62
  4. Step 4: Simplify right side
    35,547.68x = 1,009,541,086.02
  5. Step 5: Solve for x
    x = 1,009,541,086.02/35,547.68
  6. Step 6: Final answer
    x = 28,399.63

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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.