Home / 45,488.52-68,239.98-13,470.84

Finding the Fourth Proportional to 45,488.52, 68,239.98 and 13,470.84

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Solution

The fourth proportional to 45,488.52, 68,239.98 and 13,470.84 is: 20,208.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,488.52 : 68,239.98 = 13,470.84 : x
  2. Step 2: Convert to fraction form
    45,488.52/68,239.98 = 13,470.84/x
  3. Step 3: Cross multiply
    45,488.52x = 68,239.98 × 13,470.84
  4. Step 4: Simplify right side
    45,488.52x = 919,249,852.18
  5. Step 5: Solve for x
    x = 919,249,852.18/45,488.52
  6. Step 6: Final answer
    x = 20,208.39

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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.