Home / 38,466.36-53,078.79-21,471.55

Finding the Fourth Proportional to 38,466.36, 53,078.79 and 21,471.55

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Solution

The fourth proportional to 38,466.36, 53,078.79 and 21,471.55 is: 29,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,466.36 : 53,078.79 = 21,471.55 : x
  2. Step 2: Convert to fraction form
    38,466.36/53,078.79 = 21,471.55/x
  3. Step 3: Cross multiply
    38,466.36x = 53,078.79 × 21,471.55
  4. Step 4: Simplify right side
    38,466.36x = 1,139,683,841.25
  5. Step 5: Solve for x
    x = 1,139,683,841.25/38,466.36
  6. Step 6: Final answer
    x = 29,628.07

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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.