Home / 40,690.49-56,154.48-22,785.34

Finding the Fourth Proportional to 40,690.49, 56,154.48 and 22,785.34

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Solution

The fourth proportional to 40,690.49, 56,154.48 and 22,785.34 is: 31,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.49 : 56,154.48 = 22,785.34 : x
  2. Step 2: Convert to fraction form
    40,690.49/56,154.48 = 22,785.34/x
  3. Step 3: Cross multiply
    40,690.49x = 56,154.48 × 22,785.34
  4. Step 4: Simplify right side
    40,690.49x = 1,279,498,919.32
  5. Step 5: Solve for x
    x = 1,279,498,919.32/40,690.49
  6. Step 6: Final answer
    x = 31,444.67

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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.