Home / 56,359.46-77,776.92-30,865.36

Finding the Fourth Proportional to 56,359.46, 77,776.92 and 30,865.36

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Solution

The fourth proportional to 56,359.46, 77,776.92 and 30,865.36 is: 42,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.46 : 77,776.92 = 30,865.36 : x
  2. Step 2: Convert to fraction form
    56,359.46/77,776.92 = 30,865.36/x
  3. Step 3: Cross multiply
    56,359.46x = 77,776.92 × 30,865.36
  4. Step 4: Simplify right side
    56,359.46x = 2,400,612,635.49
  5. Step 5: Solve for x
    x = 2,400,612,635.49/56,359.46
  6. Step 6: Final answer
    x = 42,594.67

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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.