Home / 30,988.50-46,651.37-28,232.88

Finding the Fourth Proportional to 30,988.50, 46,651.37 and 28,232.88

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Solution

The fourth proportional to 30,988.50, 46,651.37 and 28,232.88 is: 42,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.50 : 46,651.37 = 28,232.88 : x
  2. Step 2: Convert to fraction form
    30,988.50/46,651.37 = 28,232.88/x
  3. Step 3: Cross multiply
    30,988.50x = 46,651.37 × 28,232.88
  4. Step 4: Simplify right side
    30,988.50x = 1,317,102,389.88
  5. Step 5: Solve for x
    x = 1,317,102,389.88/30,988.50
  6. Step 6: Final answer
    x = 42,502.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.