Home / 40,828.18-56,340.98-22,680.08

Finding the Fourth Proportional to 40,828.18, 56,340.98 and 22,680.08

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Solution

The fourth proportional to 40,828.18, 56,340.98 and 22,680.08 is: 31,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.18 : 56,340.98 = 22,680.08 : x
  2. Step 2: Convert to fraction form
    40,828.18/56,340.98 = 22,680.08/x
  3. Step 3: Cross multiply
    40,828.18x = 56,340.98 × 22,680.08
  4. Step 4: Simplify right side
    40,828.18x = 1,277,817,898.91
  5. Step 5: Solve for x
    x = 1,277,817,898.91/40,828.18
  6. Step 6: Final answer
    x = 31,297.45

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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.