Home / 51,442.34-77,147.82-18,154.63

Finding the Fourth Proportional to 51,442.34, 77,147.82 and 18,154.63

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Solution

The fourth proportional to 51,442.34, 77,147.82 and 18,154.63 is: 27,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.34 : 77,147.82 = 18,154.63 : x
  2. Step 2: Convert to fraction form
    51,442.34/77,147.82 = 18,154.63/x
  3. Step 3: Cross multiply
    51,442.34x = 77,147.82 × 18,154.63
  4. Step 4: Simplify right side
    51,442.34x = 1,400,590,127.41
  5. Step 5: Solve for x
    x = 1,400,590,127.41/51,442.34
  6. Step 6: Final answer
    x = 27,226.41

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1.5x scale

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.