Home / 54,570.45-75,311.60-30,695.70

Finding the Fourth Proportional to 54,570.45, 75,311.60 and 30,695.70

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Solution

The fourth proportional to 54,570.45, 75,311.60 and 30,695.70 is: 42,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570.45 : 75,311.60 = 30,695.70 : x
  2. Step 2: Convert to fraction form
    54,570.45/75,311.60 = 30,695.70/x
  3. Step 3: Cross multiply
    54,570.45x = 75,311.60 × 30,695.70
  4. Step 4: Simplify right side
    54,570.45x = 2,311,742,126.64
  5. Step 5: Solve for x
    x = 2,311,742,126.64/54,570.45
  6. Step 6: Final answer
    x = 42,362.53

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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.