Home / 38,342.07-52,907.85-21,343.68

Finding the Fourth Proportional to 38,342.07, 52,907.85 and 21,343.68

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Solution

The fourth proportional to 38,342.07, 52,907.85 and 21,343.68 is: 29,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.07 : 52,907.85 = 21,343.68 : x
  2. Step 2: Convert to fraction form
    38,342.07/52,907.85 = 21,343.68/x
  3. Step 3: Cross multiply
    38,342.07x = 52,907.85 × 21,343.68
  4. Step 4: Simplify right side
    38,342.07x = 1,129,248,219.89
  5. Step 5: Solve for x
    x = 1,129,248,219.89/38,342.07
  6. Step 6: Final answer
    x = 29,451.94

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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.