Home / 51,363.40-77,066.70-28,006.60

Finding the Fourth Proportional to 51,363.40, 77,066.70 and 28,006.60

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Solution

The fourth proportional to 51,363.40, 77,066.70 and 28,006.60 is: 42,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.40 : 77,066.70 = 28,006.60 : x
  2. Step 2: Convert to fraction form
    51,363.40/77,066.70 = 28,006.60/x
  3. Step 3: Cross multiply
    51,363.40x = 77,066.70 × 28,006.60
  4. Step 4: Simplify right side
    51,363.40x = 2,158,376,240.22
  5. Step 5: Solve for x
    x = 2,158,376,240.22/51,363.40
  6. Step 6: Final answer
    x = 42,021.68

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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.