Home / 37,981.40-56,972.10-13,018.10

Finding the Fourth Proportional to 37,981.40, 56,972.10 and 13,018.10

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Solution

The fourth proportional to 37,981.40, 56,972.10 and 13,018.10 is: 19,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,981.40 : 56,972.10 = 13,018.10 : x
  2. Step 2: Convert to fraction form
    37,981.40/56,972.10 = 13,018.10/x
  3. Step 3: Cross multiply
    37,981.40x = 56,972.10 × 13,018.10
  4. Step 4: Simplify right side
    37,981.40x = 741,668,495.01
  5. Step 5: Solve for x
    x = 741,668,495.01/37,981.40
  6. Step 6: Final answer
    x = 19,527.15

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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.