Home / 58,400.39-87,614.36-18,954.47

Finding the Fourth Proportional to 58,400.39, 87,614.36 and 18,954.47

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Solution

The fourth proportional to 58,400.39, 87,614.36 and 18,954.47 is: 28,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,400.39 : 87,614.36 = 18,954.47 : x
  2. Step 2: Convert to fraction form
    58,400.39/87,614.36 = 18,954.47/x
  3. Step 3: Cross multiply
    58,400.39x = 87,614.36 × 18,954.47
  4. Step 4: Simplify right side
    58,400.39x = 1,660,683,663.42
  5. Step 5: Solve for x
    x = 1,660,683,663.42/58,400.39
  6. Step 6: Final answer
    x = 28,436.17

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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.