Home / 37,728.64-56,506.74-18,021.12

Finding the Fourth Proportional to 37,728.64, 56,506.74 and 18,021.12

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Solution

The fourth proportional to 37,728.64, 56,506.74 and 18,021.12 is: 26,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,728.64 : 56,506.74 = 18,021.12 : x
  2. Step 2: Convert to fraction form
    37,728.64/56,506.74 = 18,021.12/x
  3. Step 3: Cross multiply
    37,728.64x = 56,506.74 × 18,021.12
  4. Step 4: Simplify right side
    37,728.64x = 1,018,314,742.35
  5. Step 5: Solve for x
    x = 1,018,314,742.35/37,728.64
  6. Step 6: Final answer
    x = 26,990.50

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1.5x scale

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.