Home / 38,051.08-52,510.29-21,912.49

Finding the Fourth Proportional to 38,051.08, 52,510.29 and 21,912.49

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Solution

The fourth proportional to 38,051.08, 52,510.29 and 21,912.49 is: 30,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,051.08 : 52,510.29 = 21,912.49 : x
  2. Step 2: Convert to fraction form
    38,051.08/52,510.29 = 21,912.49/x
  3. Step 3: Cross multiply
    38,051.08x = 52,510.29 × 21,912.49
  4. Step 4: Simplify right side
    38,051.08x = 1,150,630,941.97
  5. Step 5: Solve for x
    x = 1,150,630,941.97/38,051.08
  6. Step 6: Final answer
    x = 30,239.11

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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.