Home / 30,909.22-46,248.93-18,436.03

Finding the Fourth Proportional to 30,909.22, 46,248.93 and 18,436.03

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Solution

The fourth proportional to 30,909.22, 46,248.93 and 18,436.03 is: 27,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.22 : 46,248.93 = 18,436.03 : x
  2. Step 2: Convert to fraction form
    30,909.22/46,248.93 = 18,436.03/x
  3. Step 3: Cross multiply
    30,909.22x = 46,248.93 × 18,436.03
  4. Step 4: Simplify right side
    30,909.22x = 852,646,660.95
  5. Step 5: Solve for x
    x = 852,646,660.95/30,909.22
  6. Step 6: Final answer
    x = 27,585.51

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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.