Home / 56,024.88-77,289.84-40,103.52

Finding the Fourth Proportional to 56,024.88, 77,289.84 and 40,103.52

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Solution

The fourth proportional to 56,024.88, 77,289.84 and 40,103.52 is: 55,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,024.88 : 77,289.84 = 40,103.52 : x
  2. Step 2: Convert to fraction form
    56,024.88/77,289.84 = 40,103.52/x
  3. Step 3: Cross multiply
    56,024.88x = 77,289.84 × 40,103.52
  4. Step 4: Simplify right side
    56,024.88x = 3,099,594,644.24
  5. Step 5: Solve for x
    x = 3,099,594,644.24/56,024.88
  6. Step 6: Final answer
    x = 55,325.32

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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.