Home / 64,721.99-97,088.60-19,753.49

Finding the Fourth Proportional to 64,721.99, 97,088.60 and 19,753.49

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Solution

The fourth proportional to 64,721.99, 97,088.60 and 19,753.49 is: 29,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,721.99 : 97,088.60 = 19,753.49 : x
  2. Step 2: Convert to fraction form
    64,721.99/97,088.60 = 19,753.49/x
  3. Step 3: Cross multiply
    64,721.99x = 97,088.60 × 19,753.49
  4. Step 4: Simplify right side
    64,721.99x = 1,917,838,253.15
  5. Step 5: Solve for x
    x = 1,917,838,253.15/64,721.99
  6. Step 6: Final answer
    x = 29,631.94

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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.