Home / 54,580.89-75,330.90-40,314.81

Finding the Fourth Proportional to 54,580.89, 75,330.90 and 40,314.81

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Solution

The fourth proportional to 54,580.89, 75,330.90 and 40,314.81 is: 55,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.89 : 75,330.90 = 40,314.81 : x
  2. Step 2: Convert to fraction form
    54,580.89/75,330.90 = 40,314.81/x
  3. Step 3: Cross multiply
    54,580.89x = 75,330.90 × 40,314.81
  4. Step 4: Simplify right side
    54,580.89x = 3,036,950,920.63
  5. Step 5: Solve for x
    x = 3,036,950,920.63/54,580.89
  6. Step 6: Final answer
    x = 55,641.29

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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.