Home / 37,303.84-51,486.20-21,388.40

Finding the Fourth Proportional to 37,303.84, 51,486.20 and 21,388.40

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Solution

The fourth proportional to 37,303.84, 51,486.20 and 21,388.40 is: 29,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,303.84 : 51,486.20 = 21,388.40 : x
  2. Step 2: Convert to fraction form
    37,303.84/51,486.20 = 21,388.40/x
  3. Step 3: Cross multiply
    37,303.84x = 51,486.20 × 21,388.40
  4. Step 4: Simplify right side
    37,303.84x = 1,101,207,440.08
  5. Step 5: Solve for x
    x = 1,101,207,440.08/37,303.84
  6. Step 6: Final answer
    x = 29,519.95

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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.