Home / 37,702.53-52,029.48-20,706.78

Finding the Fourth Proportional to 37,702.53, 52,029.48 and 20,706.78

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Solution

The fourth proportional to 37,702.53, 52,029.48 and 20,706.78 is: 28,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,702.53 : 52,029.48 = 20,706.78 : x
  2. Step 2: Convert to fraction form
    37,702.53/52,029.48 = 20,706.78/x
  3. Step 3: Cross multiply
    37,702.53x = 52,029.48 × 20,706.78
  4. Step 4: Simplify right side
    37,702.53x = 1,077,363,085.63
  5. Step 5: Solve for x
    x = 1,077,363,085.63/37,702.53
  6. Step 6: Final answer
    x = 28,575.35

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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.