Home / 40,635.84-56,077.20-22,730.76

Finding the Fourth Proportional to 40,635.84, 56,077.20 and 22,730.76

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Solution

The fourth proportional to 40,635.84, 56,077.20 and 22,730.76 is: 31,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,635.84 : 56,077.20 = 22,730.76 : x
  2. Step 2: Convert to fraction form
    40,635.84/56,077.20 = 22,730.76/x
  3. Step 3: Cross multiply
    40,635.84x = 56,077.20 × 22,730.76
  4. Step 4: Simplify right side
    40,635.84x = 1,274,677,374.67
  5. Step 5: Solve for x
    x = 1,274,677,374.67/40,635.84
  6. Step 6: Final answer
    x = 31,368.30

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Double scale
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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.