Home / 53,631.17-80,421.74-19,895.84

Finding the Fourth Proportional to 53,631.17, 80,421.74 and 19,895.84

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Solution

The fourth proportional to 53,631.17, 80,421.74 and 19,895.84 is: 29,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.17 : 80,421.74 = 19,895.84 : x
  2. Step 2: Convert to fraction form
    53,631.17/80,421.74 = 19,895.84/x
  3. Step 3: Cross multiply
    53,631.17x = 80,421.74 × 19,895.84
  4. Step 4: Simplify right side
    53,631.17x = 1,600,058,071.56
  5. Step 5: Solve for x
    x = 1,600,058,071.56/53,631.17
  6. Step 6: Final answer
    x = 29,834.48

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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.