Home / 51,018.66-70,404.84-28,357.25

Finding the Fourth Proportional to 51,018.66, 70,404.84 and 28,357.25

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Solution

The fourth proportional to 51,018.66, 70,404.84 and 28,357.25 is: 39,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.66 : 70,404.84 = 28,357.25 : x
  2. Step 2: Convert to fraction form
    51,018.66/70,404.84 = 28,357.25/x
  3. Step 3: Cross multiply
    51,018.66x = 70,404.84 × 28,357.25
  4. Step 4: Simplify right side
    51,018.66x = 1,996,487,297.07
  5. Step 5: Solve for x
    x = 1,996,487,297.07/51,018.66
  6. Step 6: Final answer
    x = 39,132.49

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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.