Home / 51,234.08-70,702.98-28,575.08

Finding the Fourth Proportional to 51,234.08, 70,702.98 and 28,575.08

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Solution

The fourth proportional to 51,234.08, 70,702.98 and 28,575.08 is: 39,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.08 : 70,702.98 = 28,575.08 : x
  2. Step 2: Convert to fraction form
    51,234.08/70,702.98 = 28,575.08/x
  3. Step 3: Cross multiply
    51,234.08x = 70,702.98 × 28,575.08
  4. Step 4: Simplify right side
    51,234.08x = 2,020,343,309.74
  5. Step 5: Solve for x
    x = 2,020,343,309.74/51,234.08
  6. Step 6: Final answer
    x = 39,433.58

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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.