Home / 51,068.09-70,478.22-28,411.35

Finding the Fourth Proportional to 51,068.09, 70,478.22 and 28,411.35

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Solution

The fourth proportional to 51,068.09, 70,478.22 and 28,411.35 is: 39,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,068.09 : 70,478.22 = 28,411.35 : x
  2. Step 2: Convert to fraction form
    51,068.09/70,478.22 = 28,411.35/x
  3. Step 3: Cross multiply
    51,068.09x = 70,478.22 × 28,411.35
  4. Step 4: Simplify right side
    51,068.09x = 2,002,381,375.80
  5. Step 5: Solve for x
    x = 2,002,381,375.80/51,068.09
  6. Step 6: Final answer
    x = 39,210.03

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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.