Home / 35,615.79-53,376.50-18,939.92

Finding the Fourth Proportional to 35,615.79, 53,376.50 and 18,939.92

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Solution

The fourth proportional to 35,615.79, 53,376.50 and 18,939.92 is: 28,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.79 : 53,376.50 = 18,939.92 : x
  2. Step 2: Convert to fraction form
    35,615.79/53,376.50 = 18,939.92/x
  3. Step 3: Cross multiply
    35,615.79x = 53,376.50 × 18,939.92
  4. Step 4: Simplify right side
    35,615.79x = 1,010,946,278.30
  5. Step 5: Solve for x
    x = 1,010,946,278.30/35,615.79
  6. Step 6: Final answer
    x = 28,384.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.