Home / 60,749.05-91,095-20,757.34

Finding the Fourth Proportional to 60,749.05, 91,095 and 20,757.34

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Solution

The fourth proportional to 60,749.05, 91,095 and 20,757.34 is: 31,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,749.05 : 91,095 = 20,757.34 : x
  2. Step 2: Convert to fraction form
    60,749.05/91,095 = 20,757.34/x
  3. Step 3: Cross multiply
    60,749.05x = 91,095 × 20,757.34
  4. Step 4: Simplify right side
    60,749.05x = 1,890,889,887.30
  5. Step 5: Solve for x
    x = 1,890,889,887.30/60,749.05
  6. Step 6: Final answer
    x = 31,126.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.