Home / 54,519.47-75,215.55-40,213.32

Finding the Fourth Proportional to 54,519.47, 75,215.55 and 40,213.32

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Solution

The fourth proportional to 54,519.47, 75,215.55 and 40,213.32 is: 55,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519.47 : 75,215.55 = 40,213.32 : x
  2. Step 2: Convert to fraction form
    54,519.47/75,215.55 = 40,213.32/x
  3. Step 3: Cross multiply
    54,519.47x = 75,215.55 × 40,213.32
  4. Step 4: Simplify right side
    54,519.47x = 3,024,666,981.13
  5. Step 5: Solve for x
    x = 3,024,666,981.13/54,519.47
  6. Step 6: Final answer
    x = 55,478.66

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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.