Home / 40,731.22-60,985.95-30,840.58

Finding the Fourth Proportional to 40,731.22, 60,985.95 and 30,840.58

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Solution

The fourth proportional to 40,731.22, 60,985.95 and 30,840.58 is: 46,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,731.22 : 60,985.95 = 30,840.58 : x
  2. Step 2: Convert to fraction form
    40,731.22/60,985.95 = 30,840.58/x
  3. Step 3: Cross multiply
    40,731.22x = 60,985.95 × 30,840.58
  4. Step 4: Simplify right side
    40,731.22x = 1,880,842,069.85
  5. Step 5: Solve for x
    x = 1,880,842,069.85/40,731.22
  6. Step 6: Final answer
    x = 46,176.91

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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.