Home / 56,522.23-78,001.70-31,030.99

Finding the Fourth Proportional to 56,522.23, 78,001.70 and 31,030.99

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Solution

The fourth proportional to 56,522.23, 78,001.70 and 31,030.99 is: 42,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,522.23 : 78,001.70 = 31,030.99 : x
  2. Step 2: Convert to fraction form
    56,522.23/78,001.70 = 31,030.99/x
  3. Step 3: Cross multiply
    56,522.23x = 78,001.70 × 31,030.99
  4. Step 4: Simplify right side
    56,522.23x = 2,420,469,622.52
  5. Step 5: Solve for x
    x = 2,420,469,622.52/56,522.23
  6. Step 6: Final answer
    x = 42,823.32

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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.