Home / 38,943.36-53,724.60-30,584.16

Finding the Fourth Proportional to 38,943.36, 53,724.60 and 30,584.16

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Solution

The fourth proportional to 38,943.36, 53,724.60 and 30,584.16 is: 42,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,943.36 : 53,724.60 = 30,584.16 : x
  2. Step 2: Convert to fraction form
    38,943.36/53,724.60 = 30,584.16/x
  3. Step 3: Cross multiply
    38,943.36x = 53,724.60 × 30,584.16
  4. Step 4: Simplify right side
    38,943.36x = 1,643,121,762.34
  5. Step 5: Solve for x
    x = 1,643,121,762.34/38,943.36
  6. Step 6: Final answer
    x = 42,192.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.