Home / 35,439.65-48,885.09-21,089.86

Finding the Fourth Proportional to 35,439.65, 48,885.09 and 21,089.86

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Solution

The fourth proportional to 35,439.65, 48,885.09 and 21,089.86 is: 29,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.65 : 48,885.09 = 21,089.86 : x
  2. Step 2: Convert to fraction form
    35,439.65/48,885.09 = 21,089.86/x
  3. Step 3: Cross multiply
    35,439.65x = 48,885.09 × 21,089.86
  4. Step 4: Simplify right side
    35,439.65x = 1,030,979,478.63
  5. Step 5: Solve for x
    x = 1,030,979,478.63/35,439.65
  6. Step 6: Final answer
    x = 29,091.13

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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.