Home / 40,058.61-60,068.13-21,333.70

Finding the Fourth Proportional to 40,058.61, 60,068.13 and 21,333.70

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Solution

The fourth proportional to 40,058.61, 60,068.13 and 21,333.70 is: 31,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,058.61 : 60,068.13 = 21,333.70 : x
  2. Step 2: Convert to fraction form
    40,058.61/60,068.13 = 21,333.70/x
  3. Step 3: Cross multiply
    40,058.61x = 60,068.13 × 21,333.70
  4. Step 4: Simplify right side
    40,058.61x = 1,281,475,464.98
  5. Step 5: Solve for x
    x = 1,281,475,464.98/40,058.61
  6. Step 6: Final answer
    x = 31,990.01

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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.