Home / 30,371.92-45,570.84-14,785.36

Finding the Fourth Proportional to 30,371.92, 45,570.84 and 14,785.36

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Solution

The fourth proportional to 30,371.92, 45,570.84 and 14,785.36 is: 22,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.92 : 45,570.84 = 14,785.36 : x
  2. Step 2: Convert to fraction form
    30,371.92/45,570.84 = 14,785.36/x
  3. Step 3: Cross multiply
    30,371.92x = 45,570.84 × 14,785.36
  4. Step 4: Simplify right side
    30,371.92x = 673,781,274.90
  5. Step 5: Solve for x
    x = 673,781,274.90/30,371.92
  6. Step 6: Final answer
    x = 22,184.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.