Home / 52,872.43-72,967.80-30,210.91

Finding the Fourth Proportional to 52,872.43, 72,967.80 and 30,210.91

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Solution

The fourth proportional to 52,872.43, 72,967.80 and 30,210.91 is: 41,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,872.43 : 72,967.80 = 30,210.91 : x
  2. Step 2: Convert to fraction form
    52,872.43/72,967.80 = 30,210.91/x
  3. Step 3: Cross multiply
    52,872.43x = 72,967.80 × 30,210.91
  4. Step 4: Simplify right side
    52,872.43x = 2,204,423,441.51
  5. Step 5: Solve for x
    x = 2,204,423,441.51/52,872.43
  6. Step 6: Final answer
    x = 41,693.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.