Home / 37,635.04-51,937.06-20,638.20

Finding the Fourth Proportional to 37,635.04, 51,937.06 and 20,638.20

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Solution

The fourth proportional to 37,635.04, 51,937.06 and 20,638.20 is: 28,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,635.04 : 51,937.06 = 20,638.20 : x
  2. Step 2: Convert to fraction form
    37,635.04/51,937.06 = 20,638.20/x
  3. Step 3: Cross multiply
    37,635.04x = 51,937.06 × 20,638.20
  4. Step 4: Simplify right side
    37,635.04x = 1,071,887,457.49
  5. Step 5: Solve for x
    x = 1,071,887,457.49/37,635.04
  6. Step 6: Final answer
    x = 28,481.11

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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.