Home / 66,155.04-91,292.34-35,939.67

Finding the Fourth Proportional to 66,155.04, 91,292.34 and 35,939.67

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Solution

The fourth proportional to 66,155.04, 91,292.34 and 35,939.67 is: 49,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.04 : 91,292.34 = 35,939.67 : x
  2. Step 2: Convert to fraction form
    66,155.04/91,292.34 = 35,939.67/x
  3. Step 3: Cross multiply
    66,155.04x = 91,292.34 × 35,939.67
  4. Step 4: Simplify right side
    66,155.04x = 3,281,016,573.13
  5. Step 5: Solve for x
    x = 3,281,016,573.13/66,155.04
  6. Step 6: Final answer
    x = 49,595.87

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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.