Home / 38,466.66-53,085.08-21,470.55

Finding the Fourth Proportional to 38,466.66, 53,085.08 and 21,470.55

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Solution

The fourth proportional to 38,466.66, 53,085.08 and 21,470.55 is: 29,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,466.66 : 53,085.08 = 21,470.55 : x
  2. Step 2: Convert to fraction form
    38,466.66/53,085.08 = 21,470.55/x
  3. Step 3: Cross multiply
    38,466.66x = 53,085.08 × 21,470.55
  4. Step 4: Simplify right side
    38,466.66x = 1,139,765,864.39
  5. Step 5: Solve for x
    x = 1,139,765,864.39/38,466.66
  6. Step 6: Final answer
    x = 29,629.97

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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.