Home / 53,094.76-79,678.32-21,929.80

Finding the Fourth Proportional to 53,094.76, 79,678.32 and 21,929.80

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Solution

The fourth proportional to 53,094.76, 79,678.32 and 21,929.80 is: 32,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,094.76 : 79,678.32 = 21,929.80 : x
  2. Step 2: Convert to fraction form
    53,094.76/79,678.32 = 21,929.80/x
  3. Step 3: Cross multiply
    53,094.76x = 79,678.32 × 21,929.80
  4. Step 4: Simplify right side
    53,094.76x = 1,747,329,621.94
  5. Step 5: Solve for x
    x = 1,747,329,621.94/53,094.76
  6. Step 6: Final answer
    x = 32,909.64

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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.