Home / 52,267.30-72,129.49-28,394.35

Finding the Fourth Proportional to 52,267.30, 72,129.49 and 28,394.35

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Solution

The fourth proportional to 52,267.30, 72,129.49 and 28,394.35 is: 39,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,267.30 : 72,129.49 = 28,394.35 : x
  2. Step 2: Convert to fraction form
    52,267.30/72,129.49 = 28,394.35/x
  3. Step 3: Cross multiply
    52,267.30x = 72,129.49 × 28,394.35
  4. Step 4: Simplify right side
    52,267.30x = 2,048,070,235.69
  5. Step 5: Solve for x
    x = 2,048,070,235.69/52,267.30
  6. Step 6: Final answer
    x = 39,184.54

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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.