Home / 64,678.50-97,017.75-17,931.38

Finding the Fourth Proportional to 64,678.50, 97,017.75 and 17,931.38

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Solution

The fourth proportional to 64,678.50, 97,017.75 and 17,931.38 is: 26,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678.50 : 97,017.75 = 17,931.38 : x
  2. Step 2: Convert to fraction form
    64,678.50/97,017.75 = 17,931.38/x
  3. Step 3: Cross multiply
    64,678.50x = 97,017.75 × 17,931.38
  4. Step 4: Simplify right side
    64,678.50x = 1,739,661,656.91
  5. Step 5: Solve for x
    x = 1,739,661,656.91/64,678.50
  6. Step 6: Final answer
    x = 26,897.06

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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.