Home / 53,116.51-79,702.53-21,529.93

Finding the Fourth Proportional to 53,116.51, 79,702.53 and 21,529.93

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Solution

The fourth proportional to 53,116.51, 79,702.53 and 21,529.93 is: 32,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.51 : 79,702.53 = 21,529.93 : x
  2. Step 2: Convert to fraction form
    53,116.51/79,702.53 = 21,529.93/x
  3. Step 3: Cross multiply
    53,116.51x = 79,702.53 × 21,529.93
  4. Step 4: Simplify right side
    53,116.51x = 1,715,989,891.72
  5. Step 5: Solve for x
    x = 1,715,989,891.72/53,116.51
  6. Step 6: Final answer
    x = 32,306.15

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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.