Home / 55,918.20-77,195.70-43,142.67

Finding the Fourth Proportional to 55,918.20, 77,195.70 and 43,142.67

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Solution

The fourth proportional to 55,918.20, 77,195.70 and 43,142.67 is: 59,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918.20 : 77,195.70 = 43,142.67 : x
  2. Step 2: Convert to fraction form
    55,918.20/77,195.70 = 43,142.67/x
  3. Step 3: Cross multiply
    55,918.20x = 77,195.70 × 43,142.67
  4. Step 4: Simplify right side
    55,918.20x = 3,330,428,803.51
  5. Step 5: Solve for x
    x = 3,330,428,803.51/55,918.20
  6. Step 6: Final answer
    x = 59,558.95

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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.