Home / 54,475.70-75,185.40-45,386.67

Finding the Fourth Proportional to 54,475.70, 75,185.40 and 45,386.67

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Solution

The fourth proportional to 54,475.70, 75,185.40 and 45,386.67 is: 62,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,475.70 : 75,185.40 = 45,386.67 : x
  2. Step 2: Convert to fraction form
    54,475.70/75,185.40 = 45,386.67/x
  3. Step 3: Cross multiply
    54,475.70x = 75,185.40 × 45,386.67
  4. Step 4: Simplify right side
    54,475.70x = 3,412,414,938.62
  5. Step 5: Solve for x
    x = 3,412,414,938.62/54,475.70
  6. Step 6: Final answer
    x = 62,641.05

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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.