Home / 51,130.74-70,560.62-28,469.68

Finding the Fourth Proportional to 51,130.74, 70,560.62 and 28,469.68

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Solution

The fourth proportional to 51,130.74, 70,560.62 and 28,469.68 is: 39,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.74 : 70,560.62 = 28,469.68 : x
  2. Step 2: Convert to fraction form
    51,130.74/70,560.62 = 28,469.68/x
  3. Step 3: Cross multiply
    51,130.74x = 70,560.62 × 28,469.68
  4. Step 4: Simplify right side
    51,130.74x = 2,008,838,060.01
  5. Step 5: Solve for x
    x = 2,008,838,060.01/51,130.74
  6. Step 6: Final answer
    x = 39,288.26

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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.