Home / 39,087.36-53,946-29,046.60

Finding the Fourth Proportional to 39,087.36, 53,946 and 29,046.60

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Solution

The fourth proportional to 39,087.36, 53,946 and 29,046.60 is: 40,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087.36 : 53,946 = 29,046.60 : x
  2. Step 2: Convert to fraction form
    39,087.36/53,946 = 29,046.60/x
  3. Step 3: Cross multiply
    39,087.36x = 53,946 × 29,046.60
  4. Step 4: Simplify right side
    39,087.36x = 1,566,947,883.60
  5. Step 5: Solve for x
    x = 1,566,947,883.60/39,087.36
  6. Step 6: Final answer
    x = 40,088.35

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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.