Home / 46,387.36-69,579.66-40,128.90

Finding the Fourth Proportional to 46,387.36, 69,579.66 and 40,128.90

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Solution

The fourth proportional to 46,387.36, 69,579.66 and 40,128.90 is: 60,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,387.36 : 69,579.66 = 40,128.90 : x
  2. Step 2: Convert to fraction form
    46,387.36/69,579.66 = 40,128.90/x
  3. Step 3: Cross multiply
    46,387.36x = 69,579.66 × 40,128.90
  4. Step 4: Simplify right side
    46,387.36x = 2,792,155,218.17
  5. Step 5: Solve for x
    x = 2,792,155,218.17/46,387.36
  6. Step 6: Final answer
    x = 60,192.16

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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.