Home / 57,733.47-86,602.65-18,289.71

Finding the Fourth Proportional to 57,733.47, 86,602.65 and 18,289.71

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Solution

The fourth proportional to 57,733.47, 86,602.65 and 18,289.71 is: 27,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,733.47 : 86,602.65 = 18,289.71 : x
  2. Step 2: Convert to fraction form
    57,733.47/86,602.65 = 18,289.71/x
  3. Step 3: Cross multiply
    57,733.47x = 86,602.65 × 18,289.71
  4. Step 4: Simplify right side
    57,733.47x = 1,583,937,353.73
  5. Step 5: Solve for x
    x = 1,583,937,353.73/57,733.47
  6. Step 6: Final answer
    x = 27,435.34

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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.