Home / 56,427.86-78,226.94-53,431.76

Finding the Fourth Proportional to 56,427.86, 78,226.94 and 53,431.76

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Solution

The fourth proportional to 56,427.86, 78,226.94 and 53,431.76 is: 74,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,427.86 : 78,226.94 = 53,431.76 : x
  2. Step 2: Convert to fraction form
    56,427.86/78,226.94 = 53,431.76/x
  3. Step 3: Cross multiply
    56,427.86x = 78,226.94 × 53,431.76
  4. Step 4: Simplify right side
    56,427.86x = 4,179,803,083.61
  5. Step 5: Solve for x
    x = 4,179,803,083.61/56,427.86
  6. Step 6: Final answer
    x = 74,073.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.