Home / 56,631.93-84,894.82-19,165.78

Finding the Fourth Proportional to 56,631.93, 84,894.82 and 19,165.78

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Solution

The fourth proportional to 56,631.93, 84,894.82 and 19,165.78 is: 28,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,631.93 : 84,894.82 = 19,165.78 : x
  2. Step 2: Convert to fraction form
    56,631.93/84,894.82 = 19,165.78/x
  3. Step 3: Cross multiply
    56,631.93x = 84,894.82 × 19,165.78
  4. Step 4: Simplify right side
    56,631.93x = 1,627,075,501.46
  5. Step 5: Solve for x
    x = 1,627,075,501.46/56,631.93
  6. Step 6: Final answer
    x = 28,730.71

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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.