Home / 31,420,888.32-43,361,085.60-17,669,732.16

Finding the Fourth Proportional to 31,420,888.32, 43,361,085.60 and 17,669,732.16

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Solution

The fourth proportional to 31,420,888.32, 43,361,085.60 and 17,669,732.16 is: 24,384,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420,888.32 : 43,361,085.60 = 17,669,732.16 : x
  2. Step 2: Convert to fraction form
    31,420,888.32/43,361,085.60 = 17,669,732.16/x
  3. Step 3: Cross multiply
    31,420,888.32x = 43,361,085.60 × 17,669,732.16
  4. Step 4: Simplify right side
    31,420,888.32x = 766,178,768,718,832.88
  5. Step 5: Solve for x
    x = 766,178,768,718,832.88/31,420,888.32
  6. Step 6: Final answer
    x = 24,384,376.44

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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.