Home / 50,736.13-70,018.36-30,599.53

Finding the Fourth Proportional to 50,736.13, 70,018.36 and 30,599.53

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Solution

The fourth proportional to 50,736.13, 70,018.36 and 30,599.53 is: 42,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,736.13 : 70,018.36 = 30,599.53 : x
  2. Step 2: Convert to fraction form
    50,736.13/70,018.36 = 30,599.53/x
  3. Step 3: Cross multiply
    50,736.13x = 70,018.36 × 30,599.53
  4. Step 4: Simplify right side
    50,736.13x = 2,142,528,655.83
  5. Step 5: Solve for x
    x = 2,142,528,655.83/50,736.13
  6. Step 6: Final answer
    x = 42,228.86

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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.