Home / 43,108.69-64,673.97-13,526.78

Finding the Fourth Proportional to 43,108.69, 64,673.97 and 13,526.78

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Solution

The fourth proportional to 43,108.69, 64,673.97 and 13,526.78 is: 20,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.69 : 64,673.97 = 13,526.78 : x
  2. Step 2: Convert to fraction form
    43,108.69/64,673.97 = 13,526.78/x
  3. Step 3: Cross multiply
    43,108.69x = 64,673.97 × 13,526.78
  4. Step 4: Simplify right side
    43,108.69x = 874,830,629.70
  5. Step 5: Solve for x
    x = 874,830,629.70/43,108.69
  6. Step 6: Final answer
    x = 20,293.60

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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.