Home / 37,378.88-56,068.32-20,974.40

Finding the Fourth Proportional to 37,378.88, 56,068.32 and 20,974.40

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Solution

The fourth proportional to 37,378.88, 56,068.32 and 20,974.40 is: 31,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.88 : 56,068.32 = 20,974.40 : x
  2. Step 2: Convert to fraction form
    37,378.88/56,068.32 = 20,974.40/x
  3. Step 3: Cross multiply
    37,378.88x = 56,068.32 × 20,974.40
  4. Step 4: Simplify right side
    37,378.88x = 1,175,999,371.01
  5. Step 5: Solve for x
    x = 1,175,999,371.01/37,378.88
  6. Step 6: Final answer
    x = 31,461.60

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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.