Home / 43,013.47-64,493.99-19,316.41

Finding the Fourth Proportional to 43,013.47, 64,493.99 and 19,316.41

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Solution

The fourth proportional to 43,013.47, 64,493.99 and 19,316.41 is: 28,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,013.47 : 64,493.99 = 19,316.41 : x
  2. Step 2: Convert to fraction form
    43,013.47/64,493.99 = 19,316.41/x
  3. Step 3: Cross multiply
    43,013.47x = 64,493.99 × 19,316.41
  4. Step 4: Simplify right side
    43,013.47x = 1,245,791,934.32
  5. Step 5: Solve for x
    x = 1,245,791,934.32/43,013.47
  6. Step 6: Final answer
    x = 28,962.84

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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.