Home / 51,995.32-77,992.98-12,552.40

Finding the Fourth Proportional to 51,995.32, 77,992.98 and 12,552.40

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Solution

The fourth proportional to 51,995.32, 77,992.98 and 12,552.40 is: 18,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.32 : 77,992.98 = 12,552.40 : x
  2. Step 2: Convert to fraction form
    51,995.32/77,992.98 = 12,552.40/x
  3. Step 3: Cross multiply
    51,995.32x = 77,992.98 × 12,552.40
  4. Step 4: Simplify right side
    51,995.32x = 978,999,082.15
  5. Step 5: Solve for x
    x = 978,999,082.15/51,995.32
  6. Step 6: Final answer
    x = 18,828.60

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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.