Home / 56,269.92-77,485.32-40,326.96

Finding the Fourth Proportional to 56,269.92, 77,485.32 and 40,326.96

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Solution

The fourth proportional to 56,269.92, 77,485.32 and 40,326.96 is: 55,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,269.92 : 77,485.32 = 40,326.96 : x
  2. Step 2: Convert to fraction form
    56,269.92/77,485.32 = 40,326.96/x
  3. Step 3: Cross multiply
    56,269.92x = 77,485.32 × 40,326.96
  4. Step 4: Simplify right side
    56,269.92x = 3,124,747,400.23
  5. Step 5: Solve for x
    x = 3,124,747,400.23/56,269.92
  6. Step 6: Final answer
    x = 55,531.40

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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.