Home / 55,552.32-83,328.47-13,999.32

Finding the Fourth Proportional to 55,552.32, 83,328.47 and 13,999.32

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Solution

The fourth proportional to 55,552.32, 83,328.47 and 13,999.32 is: 20,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,552.32 : 83,328.47 = 13,999.32 : x
  2. Step 2: Convert to fraction form
    55,552.32/83,328.47 = 13,999.32/x
  3. Step 3: Cross multiply
    55,552.32x = 83,328.47 × 13,999.32
  4. Step 4: Simplify right side
    55,552.32x = 1,166,541,846.64
  5. Step 5: Solve for x
    x = 1,166,541,846.64/55,552.32
  6. Step 6: Final answer
    x = 20,998.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.