Home / 40,012.32-55,216.08-22,106.40

Finding the Fourth Proportional to 40,012.32, 55,216.08 and 22,106.40

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Solution

The fourth proportional to 40,012.32, 55,216.08 and 22,106.40 is: 30,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.32 : 55,216.08 = 22,106.40 : x
  2. Step 2: Convert to fraction form
    40,012.32/55,216.08 = 22,106.40/x
  3. Step 3: Cross multiply
    40,012.32x = 55,216.08 × 22,106.40
  4. Step 4: Simplify right side
    40,012.32x = 1,220,628,750.91
  5. Step 5: Solve for x
    x = 1,220,628,750.91/40,012.32
  6. Step 6: Final answer
    x = 30,506.32

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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.