Home / 51,155.45-70,593.55-28,496.31

Finding the Fourth Proportional to 51,155.45, 70,593.55 and 28,496.31

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Solution

The fourth proportional to 51,155.45, 70,593.55 and 28,496.31 is: 39,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,155.45 : 70,593.55 = 28,496.31 : x
  2. Step 2: Convert to fraction form
    51,155.45/70,593.55 = 28,496.31/x
  3. Step 3: Cross multiply
    51,155.45x = 70,593.55 × 28,496.31
  4. Step 4: Simplify right side
    51,155.45x = 2,011,655,428.98
  5. Step 5: Solve for x
    x = 2,011,655,428.98/51,155.45
  6. Step 6: Final answer
    x = 39,324.36

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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.