Home / 51,041.13-70,431.39-28,376.48

Finding the Fourth Proportional to 51,041.13, 70,431.39 and 28,376.48

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Solution

The fourth proportional to 51,041.13, 70,431.39 and 28,376.48 is: 39,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,041.13 : 70,431.39 = 28,376.48 : x
  2. Step 2: Convert to fraction form
    51,041.13/70,431.39 = 28,376.48/x
  3. Step 3: Cross multiply
    51,041.13x = 70,431.39 × 28,376.48
  4. Step 4: Simplify right side
    51,041.13x = 1,998,595,105.79
  5. Step 5: Solve for x
    x = 1,998,595,105.79/51,041.13
  6. Step 6: Final answer
    x = 39,156.56

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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.