Home / 51,852.50-71,551.85-28,880.57

Finding the Fourth Proportional to 51,852.50, 71,551.85 and 28,880.57

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Solution

The fourth proportional to 51,852.50, 71,551.85 and 28,880.57 is: 39,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,852.50 : 71,551.85 = 28,880.57 : x
  2. Step 2: Convert to fraction form
    51,852.50/71,551.85 = 28,880.57/x
  3. Step 3: Cross multiply
    51,852.50x = 71,551.85 × 28,880.57
  4. Step 4: Simplify right side
    51,852.50x = 2,066,457,710.39
  5. Step 5: Solve for x
    x = 2,066,457,710.39/51,852.50
  6. Step 6: Final answer
    x = 39,852.62

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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.