Home / 56,816.64-78,399.36-34,456.32

Finding the Fourth Proportional to 56,816.64, 78,399.36 and 34,456.32

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Solution

The fourth proportional to 56,816.64, 78,399.36 and 34,456.32 is: 47,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816.64 : 78,399.36 = 34,456.32 : x
  2. Step 2: Convert to fraction form
    56,816.64/78,399.36 = 34,456.32/x
  3. Step 3: Cross multiply
    56,816.64x = 78,399.36 × 34,456.32
  4. Step 4: Simplify right side
    56,816.64x = 2,701,353,435.96
  5. Step 5: Solve for x
    x = 2,701,353,435.96/56,816.64
  6. Step 6: Final answer
    x = 47,545.11

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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.