Home / 54,980.47-75,944.22-40,669.39

Finding the Fourth Proportional to 54,980.47, 75,944.22 and 40,669.39

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Solution

The fourth proportional to 54,980.47, 75,944.22 and 40,669.39 is: 56,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.47 : 75,944.22 = 40,669.39 : x
  2. Step 2: Convert to fraction form
    54,980.47/75,944.22 = 40,669.39/x
  3. Step 3: Cross multiply
    54,980.47x = 75,944.22 × 40,669.39
  4. Step 4: Simplify right side
    54,980.47x = 3,088,604,721.70
  5. Step 5: Solve for x
    x = 3,088,604,721.70/54,980.47
  6. Step 6: Final answer
    x = 56,176.40

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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.