Home / 51,043.90-70,440.78-28,384.96

Finding the Fourth Proportional to 51,043.90, 70,440.78 and 28,384.96

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Solution

The fourth proportional to 51,043.90, 70,440.78 and 28,384.96 is: 39,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.90 : 70,440.78 = 28,384.96 : x
  2. Step 2: Convert to fraction form
    51,043.90/70,440.78 = 28,384.96/x
  3. Step 3: Cross multiply
    51,043.90x = 70,440.78 × 28,384.96
  4. Step 4: Simplify right side
    51,043.90x = 1,999,458,722.67
  5. Step 5: Solve for x
    x = 1,999,458,722.67/51,043.90
  6. Step 6: Final answer
    x = 39,171.35

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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.