Home / 48,277.08-72,407.25-13,208.40

Finding the Fourth Proportional to 48,277.08, 72,407.25 and 13,208.40

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Solution

The fourth proportional to 48,277.08, 72,407.25 and 13,208.40 is: 19,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277.08 : 72,407.25 = 13,208.40 : x
  2. Step 2: Convert to fraction form
    48,277.08/72,407.25 = 13,208.40/x
  3. Step 3: Cross multiply
    48,277.08x = 72,407.25 × 13,208.40
  4. Step 4: Simplify right side
    48,277.08x = 956,383,920.90
  5. Step 5: Solve for x
    x = 956,383,920.90/48,277.08
  6. Step 6: Final answer
    x = 19,810.31

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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.