Home / 64,960.09-97,402.91-19,969.74

Finding the Fourth Proportional to 64,960.09, 97,402.91 and 19,969.74

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Solution

The fourth proportional to 64,960.09, 97,402.91 and 19,969.74 is: 29,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,960.09 : 97,402.91 = 19,969.74 : x
  2. Step 2: Convert to fraction form
    64,960.09/97,402.91 = 19,969.74/x
  3. Step 3: Cross multiply
    64,960.09x = 97,402.91 × 19,969.74
  4. Step 4: Simplify right side
    64,960.09x = 1,945,110,688.09
  5. Step 5: Solve for x
    x = 1,945,110,688.09/64,960.09
  6. Step 6: Final answer
    x = 29,943.17

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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.