Home / 52,068.88-78,071.52-20,441.04

Finding the Fourth Proportional to 52,068.88, 78,071.52 and 20,441.04

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Solution

The fourth proportional to 52,068.88, 78,071.52 and 20,441.04 is: 30,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,068.88 : 78,071.52 = 20,441.04 : x
  2. Step 2: Convert to fraction form
    52,068.88/78,071.52 = 20,441.04/x
  3. Step 3: Cross multiply
    52,068.88x = 78,071.52 × 20,441.04
  4. Step 4: Simplify right side
    52,068.88x = 1,595,863,063.18
  5. Step 5: Solve for x
    x = 1,595,863,063.18/52,068.88
  6. Step 6: Final answer
    x = 30,649.08

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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.