Home / 53,358.32-80,012.36-31,178.10

Finding the Fourth Proportional to 53,358.32, 80,012.36 and 31,178.10

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Solution

The fourth proportional to 53,358.32, 80,012.36 and 31,178.10 is: 46,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,358.32 : 80,012.36 = 31,178.10 : x
  2. Step 2: Convert to fraction form
    53,358.32/80,012.36 = 31,178.10/x
  3. Step 3: Cross multiply
    53,358.32x = 80,012.36 × 31,178.10
  4. Step 4: Simplify right side
    53,358.32x = 2,494,633,361.32
  5. Step 5: Solve for x
    x = 2,494,633,361.32/53,358.32
  6. Step 6: Final answer
    x = 46,752.47

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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.