Home / 48,612.69-72,930.51-19,022.58

Finding the Fourth Proportional to 48,612.69, 72,930.51 and 19,022.58

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Solution

The fourth proportional to 48,612.69, 72,930.51 and 19,022.58 is: 28,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612.69 : 72,930.51 = 19,022.58 : x
  2. Step 2: Convert to fraction form
    48,612.69/72,930.51 = 19,022.58/x
  3. Step 3: Cross multiply
    48,612.69x = 72,930.51 × 19,022.58
  4. Step 4: Simplify right side
    48,612.69x = 1,387,326,460.92
  5. Step 5: Solve for x
    x = 1,387,326,460.92/48,612.69
  6. Step 6: Final answer
    x = 28,538.36

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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.