Home / 50,776.14-70,071.12-28,420.14

Finding the Fourth Proportional to 50,776.14, 70,071.12 and 28,420.14

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Solution

The fourth proportional to 50,776.14, 70,071.12 and 28,420.14 is: 39,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,776.14 : 70,071.12 = 28,420.14 : x
  2. Step 2: Convert to fraction form
    50,776.14/70,071.12 = 28,420.14/x
  3. Step 3: Cross multiply
    50,776.14x = 70,071.12 × 28,420.14
  4. Step 4: Simplify right side
    50,776.14x = 1,991,431,040.36
  5. Step 5: Solve for x
    x = 1,991,431,040.36/50,776.14
  6. Step 6: Final answer
    x = 39,219.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.