Home / 51,088.85-70,496.42-28,422.48

Finding the Fourth Proportional to 51,088.85, 70,496.42 and 28,422.48

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Solution

The fourth proportional to 51,088.85, 70,496.42 and 28,422.48 is: 39,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,088.85 : 70,496.42 = 28,422.48 : x
  2. Step 2: Convert to fraction form
    51,088.85/70,496.42 = 28,422.48/x
  3. Step 3: Cross multiply
    51,088.85x = 70,496.42 × 28,422.48
  4. Step 4: Simplify right side
    51,088.85x = 2,003,682,945.41
  5. Step 5: Solve for x
    x = 2,003,682,945.41/51,088.85
  6. Step 6: Final answer
    x = 39,219.58

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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.