Home / 37,954.24-56,931.20-21,314.40

Finding the Fourth Proportional to 37,954.24, 56,931.20 and 21,314.40

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Solution

The fourth proportional to 37,954.24, 56,931.20 and 21,314.40 is: 31,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,954.24 : 56,931.20 = 21,314.40 : x
  2. Step 2: Convert to fraction form
    37,954.24/56,931.20 = 21,314.40/x
  3. Step 3: Cross multiply
    37,954.24x = 56,931.20 × 21,314.40
  4. Step 4: Simplify right side
    37,954.24x = 1,213,454,369.28
  5. Step 5: Solve for x
    x = 1,213,454,369.28/37,954.24
  6. Step 6: Final answer
    x = 31,971.51

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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.