Home / 54,400.50-75,080.15-30,528.58

Finding the Fourth Proportional to 54,400.50, 75,080.15 and 30,528.58

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Solution

The fourth proportional to 54,400.50, 75,080.15 and 30,528.58 is: 42,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,400.50 : 75,080.15 = 30,528.58 : x
  2. Step 2: Convert to fraction form
    54,400.50/75,080.15 = 30,528.58/x
  3. Step 3: Cross multiply
    54,400.50x = 75,080.15 × 30,528.58
  4. Step 4: Simplify right side
    54,400.50x = 2,292,090,213.04
  5. Step 5: Solve for x
    x = 2,292,090,213.04/54,400.50
  6. Step 6: Final answer
    x = 42,133.63

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1.5x scale

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.