Home / 55,969.26-77,237.19-30,818.76

Finding the Fourth Proportional to 55,969.26, 77,237.19 and 30,818.76

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Solution

The fourth proportional to 55,969.26, 77,237.19 and 30,818.76 is: 42,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.26 : 77,237.19 = 30,818.76 : x
  2. Step 2: Convert to fraction form
    55,969.26/77,237.19 = 30,818.76/x
  3. Step 3: Cross multiply
    55,969.26x = 77,237.19 × 30,818.76
  4. Step 4: Simplify right side
    55,969.26x = 2,380,354,421.68
  5. Step 5: Solve for x
    x = 2,380,354,421.68/55,969.26
  6. Step 6: Final answer
    x = 42,529.67

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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.