Home / 43,041.52-64,564.04-13,459.60

Finding the Fourth Proportional to 43,041.52, 64,564.04 and 13,459.60

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Solution

The fourth proportional to 43,041.52, 64,564.04 and 13,459.60 is: 20,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,041.52 : 64,564.04 = 13,459.60 : x
  2. Step 2: Convert to fraction form
    43,041.52/64,564.04 = 13,459.60/x
  3. Step 3: Cross multiply
    43,041.52x = 64,564.04 × 13,459.60
  4. Step 4: Simplify right side
    43,041.52x = 869,006,152.78
  5. Step 5: Solve for x
    x = 869,006,152.78/43,041.52
  6. Step 6: Final answer
    x = 20,189.95

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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.