Home / 43,099.05-64,654.65-13,513.80

Finding the Fourth Proportional to 43,099.05, 64,654.65 and 13,513.80

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Solution

The fourth proportional to 43,099.05, 64,654.65 and 13,513.80 is: 20,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.05 : 64,654.65 = 13,513.80 : x
  2. Step 2: Convert to fraction form
    43,099.05/64,654.65 = 13,513.80/x
  3. Step 3: Cross multiply
    43,099.05x = 64,654.65 × 13,513.80
  4. Step 4: Simplify right side
    43,099.05x = 873,730,009.17
  5. Step 5: Solve for x
    x = 873,730,009.17/43,099.05
  6. Step 6: Final answer
    x = 20,272.60

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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.