Home / 56,395.23-77,821.93-30,897.03

Finding the Fourth Proportional to 56,395.23, 77,821.93 and 30,897.03

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Solution

The fourth proportional to 56,395.23, 77,821.93 and 30,897.03 is: 42,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,395.23 : 77,821.93 = 30,897.03 : x
  2. Step 2: Convert to fraction form
    56,395.23/77,821.93 = 30,897.03/x
  3. Step 3: Cross multiply
    56,395.23x = 77,821.93 × 30,897.03
  4. Step 4: Simplify right side
    56,395.23x = 2,404,466,505.87
  5. Step 5: Solve for x
    x = 2,404,466,505.87/56,395.23
  6. Step 6: Final answer
    x = 42,635.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.