Home / 42,993.77-64,483.35-19,614.74

Finding the Fourth Proportional to 42,993.77, 64,483.35 and 19,614.74

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Solution

The fourth proportional to 42,993.77, 64,483.35 and 19,614.74 is: 29,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,993.77 : 64,483.35 = 19,614.74 : x
  2. Step 2: Convert to fraction form
    42,993.77/64,483.35 = 19,614.74/x
  3. Step 3: Cross multiply
    42,993.77x = 64,483.35 × 19,614.74
  4. Step 4: Simplify right side
    42,993.77x = 1,264,824,144.58
  5. Step 5: Solve for x
    x = 1,264,824,144.58/42,993.77
  6. Step 6: Final answer
    x = 29,418.78

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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.