Home / 57,784.08-86,666.22-18,332.40

Finding the Fourth Proportional to 57,784.08, 86,666.22 and 18,332.40

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Solution

The fourth proportional to 57,784.08, 86,666.22 and 18,332.40 is: 27,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,784.08 : 86,666.22 = 18,332.40 : x
  2. Step 2: Convert to fraction form
    57,784.08/86,666.22 = 18,332.40/x
  3. Step 3: Cross multiply
    57,784.08x = 86,666.22 × 18,332.40
  4. Step 4: Simplify right side
    57,784.08x = 1,588,799,811.53
  5. Step 5: Solve for x
    x = 1,588,799,811.53/57,784.08
  6. Step 6: Final answer
    x = 27,495.46

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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.