Home / 30,991.02-46,500.31-17,663.53

Finding the Fourth Proportional to 30,991.02, 46,500.31 and 17,663.53

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Solution

The fourth proportional to 30,991.02, 46,500.31 and 17,663.53 is: 26,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991.02 : 46,500.31 = 17,663.53 : x
  2. Step 2: Convert to fraction form
    30,991.02/46,500.31 = 17,663.53/x
  3. Step 3: Cross multiply
    30,991.02x = 46,500.31 × 17,663.53
  4. Step 4: Simplify right side
    30,991.02x = 821,359,620.69
  5. Step 5: Solve for x
    x = 821,359,620.69/30,991.02
  6. Step 6: Final answer
    x = 26,503.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.