Home / 56,122.88-77,442.55-34,330.10

Finding the Fourth Proportional to 56,122.88, 77,442.55 and 34,330.10

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Solution

The fourth proportional to 56,122.88, 77,442.55 and 34,330.10 is: 47,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.88 : 77,442.55 = 34,330.10 : x
  2. Step 2: Convert to fraction form
    56,122.88/77,442.55 = 34,330.10/x
  3. Step 3: Cross multiply
    56,122.88x = 77,442.55 × 34,330.10
  4. Step 4: Simplify right side
    56,122.88x = 2,658,610,012.72
  5. Step 5: Solve for x
    x = 2,658,610,012.72/56,122.88
  6. Step 6: Final answer
    x = 47,371.24

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1.5x scale

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.