Home / 40,607.06-60,920.96-15,640.40

Finding the Fourth Proportional to 40,607.06, 60,920.96 and 15,640.40

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Solution

The fourth proportional to 40,607.06, 60,920.96 and 15,640.40 is: 23,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,607.06 : 60,920.96 = 15,640.40 : x
  2. Step 2: Convert to fraction form
    40,607.06/60,920.96 = 15,640.40/x
  3. Step 3: Cross multiply
    40,607.06x = 60,920.96 × 15,640.40
  4. Step 4: Simplify right side
    40,607.06x = 952,828,287.26
  5. Step 5: Solve for x
    x = 952,828,287.26/40,607.06
  6. Step 6: Final answer
    x = 23,464.60

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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.