Home / 51,211.25-70,671.82-28,551.67

Finding the Fourth Proportional to 51,211.25, 70,671.82 and 28,551.67

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Solution

The fourth proportional to 51,211.25, 70,671.82 and 28,551.67 is: 39,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.25 : 70,671.82 = 28,551.67 : x
  2. Step 2: Convert to fraction form
    51,211.25/70,671.82 = 28,551.67/x
  3. Step 3: Cross multiply
    51,211.25x = 70,671.82 × 28,551.67
  4. Step 4: Simplify right side
    51,211.25x = 2,017,798,482.94
  5. Step 5: Solve for x
    x = 2,017,798,482.94/51,211.25
  6. Step 6: Final answer
    x = 39,401.47

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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.