Home / 45,837.40-68,640.90-36,621.40

Finding the Fourth Proportional to 45,837.40, 68,640.90 and 36,621.40

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Solution

The fourth proportional to 45,837.40, 68,640.90 and 36,621.40 is: 54,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.40 : 68,640.90 = 36,621.40 : x
  2. Step 2: Convert to fraction form
    45,837.40/68,640.90 = 36,621.40/x
  3. Step 3: Cross multiply
    45,837.40x = 68,640.90 × 36,621.40
  4. Step 4: Simplify right side
    45,837.40x = 2,513,725,855.26
  5. Step 5: Solve for x
    x = 2,513,725,855.26/45,837.40
  6. Step 6: Final answer
    x = 54,840.06

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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.