Home / 42,716.08-64,072.30-13,132.65

Finding the Fourth Proportional to 42,716.08, 64,072.30 and 13,132.65

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Solution

The fourth proportional to 42,716.08, 64,072.30 and 13,132.65 is: 19,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.08 : 64,072.30 = 13,132.65 : x
  2. Step 2: Convert to fraction form
    42,716.08/64,072.30 = 13,132.65/x
  3. Step 3: Cross multiply
    42,716.08x = 64,072.30 × 13,132.65
  4. Step 4: Simplify right side
    42,716.08x = 841,439,090.60
  5. Step 5: Solve for x
    x = 841,439,090.60/42,716.08
  6. Step 6: Final answer
    x = 19,698.42

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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.