Home / 52,703.24-72,731.09-28,829.40

Finding the Fourth Proportional to 52,703.24, 72,731.09 and 28,829.40

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Solution

The fourth proportional to 52,703.24, 72,731.09 and 28,829.40 is: 39,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,703.24 : 72,731.09 = 28,829.40 : x
  2. Step 2: Convert to fraction form
    52,703.24/72,731.09 = 28,829.40/x
  3. Step 3: Cross multiply
    52,703.24x = 72,731.09 × 28,829.40
  4. Step 4: Simplify right side
    52,703.24x = 2,096,793,541.90
  5. Step 5: Solve for x
    x = 2,096,793,541.90/52,703.24
  6. Step 6: Final answer
    x = 39,784.91

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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.