Home / 55,914.75-77,162.36-30,764.25

Finding the Fourth Proportional to 55,914.75, 77,162.36 and 30,764.25

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Solution

The fourth proportional to 55,914.75, 77,162.36 and 30,764.25 is: 42,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,914.75 : 77,162.36 = 30,764.25 : x
  2. Step 2: Convert to fraction form
    55,914.75/77,162.36 = 30,764.25/x
  3. Step 3: Cross multiply
    55,914.75x = 77,162.36 × 30,764.25
  4. Step 4: Simplify right side
    55,914.75x = 2,373,841,979.81
  5. Step 5: Solve for x
    x = 2,373,841,979.81/55,914.75
  6. Step 6: Final answer
    x = 42,454.67

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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.