Home / 30,712.40-46,095.60-18,216.80

Finding the Fourth Proportional to 30,712.40, 46,095.60 and 18,216.80

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Solution

The fourth proportional to 30,712.40, 46,095.60 and 18,216.80 is: 27,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,712.40 : 46,095.60 = 18,216.80 : x
  2. Step 2: Convert to fraction form
    30,712.40/46,095.60 = 18,216.80/x
  3. Step 3: Cross multiply
    30,712.40x = 46,095.60 × 18,216.80
  4. Step 4: Simplify right side
    30,712.40x = 839,714,326.08
  5. Step 5: Solve for x
    x = 839,714,326.08/30,712.40
  6. Step 6: Final answer
    x = 27,341.21

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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.