Home / 52,382.24-78,573.35-12,940.10

Finding the Fourth Proportional to 52,382.24, 78,573.35 and 12,940.10

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Solution

The fourth proportional to 52,382.24, 78,573.35 and 12,940.10 is: 19,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,382.24 : 78,573.35 = 12,940.10 : x
  2. Step 2: Convert to fraction form
    52,382.24/78,573.35 = 12,940.10/x
  3. Step 3: Cross multiply
    52,382.24x = 78,573.35 × 12,940.10
  4. Step 4: Simplify right side
    52,382.24x = 1,016,746,645.82
  5. Step 5: Solve for x
    x = 1,016,746,645.82/52,382.24
  6. Step 6: Final answer
    x = 19,410.14

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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.