Home / 42,895.76-64,345.44-11,730.96

Finding the Fourth Proportional to 42,895.76, 64,345.44 and 11,730.96

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Solution

The fourth proportional to 42,895.76, 64,345.44 and 11,730.96 is: 17,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,895.76 : 64,345.44 = 11,730.96 : x
  2. Step 2: Convert to fraction form
    42,895.76/64,345.44 = 11,730.96/x
  3. Step 3: Cross multiply
    42,895.76x = 64,345.44 × 11,730.96
  4. Step 4: Simplify right side
    42,895.76x = 754,833,782.82
  5. Step 5: Solve for x
    x = 754,833,782.82/42,895.76
  6. Step 6: Final answer
    x = 17,596.93

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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.