Home / 52,016.88-78,025.32-18,718.77

Finding the Fourth Proportional to 52,016.88, 78,025.32 and 18,718.77

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Solution

The fourth proportional to 52,016.88, 78,025.32 and 18,718.77 is: 28,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,016.88 : 78,025.32 = 18,718.77 : x
  2. Step 2: Convert to fraction form
    52,016.88/78,025.32 = 18,718.77/x
  3. Step 3: Cross multiply
    52,016.88x = 78,025.32 × 18,718.77
  4. Step 4: Simplify right side
    52,016.88x = 1,460,538,019.26
  5. Step 5: Solve for x
    x = 1,460,538,019.26/52,016.88
  6. Step 6: Final answer
    x = 28,078.16

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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.