Home / 51,255.30-70,732.40-28,284.59

Finding the Fourth Proportional to 51,255.30, 70,732.40 and 28,284.59

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Solution

The fourth proportional to 51,255.30, 70,732.40 and 28,284.59 is: 39,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,255.30 : 70,732.40 = 28,284.59 : x
  2. Step 2: Convert to fraction form
    51,255.30/70,732.40 = 28,284.59/x
  3. Step 3: Cross multiply
    51,255.30x = 70,732.40 × 28,284.59
  4. Step 4: Simplify right side
    51,255.30x = 2,000,636,438.63
  5. Step 5: Solve for x
    x = 2,000,636,438.63/51,255.30
  6. Step 6: Final answer
    x = 39,032.77

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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.