Home / 35,790.61-53,667.55-18,932.72

Finding the Fourth Proportional to 35,790.61, 53,667.55 and 18,932.72

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Solution

The fourth proportional to 35,790.61, 53,667.55 and 18,932.72 is: 28,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.61 : 53,667.55 = 18,932.72 : x
  2. Step 2: Convert to fraction form
    35,790.61/53,667.55 = 18,932.72/x
  3. Step 3: Cross multiply
    35,790.61x = 53,667.55 × 18,932.72
  4. Step 4: Simplify right side
    35,790.61x = 1,016,072,428.90
  5. Step 5: Solve for x
    x = 1,016,072,428.90/35,790.61
  6. Step 6: Final answer
    x = 28,389.36

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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.