Home / 42,696.32-64,053.99-13,117.14

Finding the Fourth Proportional to 42,696.32, 64,053.99 and 13,117.14

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Solution

The fourth proportional to 42,696.32, 64,053.99 and 13,117.14 is: 19,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696.32 : 64,053.99 = 13,117.14 : x
  2. Step 2: Convert to fraction form
    42,696.32/64,053.99 = 13,117.14/x
  3. Step 3: Cross multiply
    42,696.32x = 64,053.99 × 13,117.14
  4. Step 4: Simplify right side
    42,696.32x = 840,205,154.39
  5. Step 5: Solve for x
    x = 840,205,154.39/42,696.32
  6. Step 6: Final answer
    x = 19,678.63

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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.