Home / 53,033.53-79,572.32-21,465.91

Finding the Fourth Proportional to 53,033.53, 79,572.32 and 21,465.91

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Solution

The fourth proportional to 53,033.53, 79,572.32 and 21,465.91 is: 32,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,033.53 : 79,572.32 = 21,465.91 : x
  2. Step 2: Convert to fraction form
    53,033.53/79,572.32 = 21,465.91/x
  3. Step 3: Cross multiply
    53,033.53x = 79,572.32 × 21,465.91
  4. Step 4: Simplify right side
    53,033.53x = 1,708,092,005.40
  5. Step 5: Solve for x
    x = 1,708,092,005.40/53,033.53
  6. Step 6: Final answer
    x = 32,207.78

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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.