Home / 38,019.60-52,466.74-21,890.08

Finding the Fourth Proportional to 38,019.60, 52,466.74 and 21,890.08

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Solution

The fourth proportional to 38,019.60, 52,466.74 and 21,890.08 is: 30,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.60 : 52,466.74 = 21,890.08 : x
  2. Step 2: Convert to fraction form
    38,019.60/52,466.74 = 21,890.08/x
  3. Step 3: Cross multiply
    38,019.60x = 52,466.74 × 21,890.08
  4. Step 4: Simplify right side
    38,019.60x = 1,148,501,135.94
  5. Step 5: Solve for x
    x = 1,148,501,135.94/38,019.60
  6. Step 6: Final answer
    x = 30,208.13

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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.