Home / 42,976.14-64,443.30-14,897.80

Finding the Fourth Proportional to 42,976.14, 64,443.30 and 14,897.80

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Solution

The fourth proportional to 42,976.14, 64,443.30 and 14,897.80 is: 22,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,976.14 : 64,443.30 = 14,897.80 : x
  2. Step 2: Convert to fraction form
    42,976.14/64,443.30 = 14,897.80/x
  3. Step 3: Cross multiply
    42,976.14x = 64,443.30 × 14,897.80
  4. Step 4: Simplify right side
    42,976.14x = 960,063,394.74
  5. Step 5: Solve for x
    x = 960,063,394.74/42,976.14
  6. Step 6: Final answer
    x = 22,339.45

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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.