Home / 56,069.12-77,373.96-30,917

Finding the Fourth Proportional to 56,069.12, 77,373.96 and 30,917

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Solution

The fourth proportional to 56,069.12, 77,373.96 and 30,917 is: 42,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,069.12 : 77,373.96 = 30,917 : x
  2. Step 2: Convert to fraction form
    56,069.12/77,373.96 = 30,917/x
  3. Step 3: Cross multiply
    56,069.12x = 77,373.96 × 30,917
  4. Step 4: Simplify right side
    56,069.12x = 2,392,170,721.32
  5. Step 5: Solve for x
    x = 2,392,170,721.32/56,069.12
  6. Step 6: Final answer
    x = 42,664.67

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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.