Home / 54,518.47-75,214.17-40,212.32

Finding the Fourth Proportional to 54,518.47, 75,214.17 and 40,212.32

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Solution

The fourth proportional to 54,518.47, 75,214.17 and 40,212.32 is: 55,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518.47 : 75,214.17 = 40,212.32 : x
  2. Step 2: Convert to fraction form
    54,518.47/75,214.17 = 40,212.32/x
  3. Step 3: Cross multiply
    54,518.47x = 75,214.17 × 40,212.32
  4. Step 4: Simplify right side
    54,518.47x = 3,024,536,531.12
  5. Step 5: Solve for x
    x = 3,024,536,531.12/54,518.47
  6. Step 6: Final answer
    x = 55,477.28

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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.