Home / 48,908.10-73,386.45-19,326.90

Finding the Fourth Proportional to 48,908.10, 73,386.45 and 19,326.90

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Solution

The fourth proportional to 48,908.10, 73,386.45 and 19,326.90 is: 28,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,908.10 : 73,386.45 = 19,326.90 : x
  2. Step 2: Convert to fraction form
    48,908.10/73,386.45 = 19,326.90/x
  3. Step 3: Cross multiply
    48,908.10x = 73,386.45 × 19,326.90
  4. Step 4: Simplify right side
    48,908.10x = 1,418,332,580.51
  5. Step 5: Solve for x
    x = 1,418,332,580.51/48,908.10
  6. Step 6: Final answer
    x = 28,999.95

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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.