Home / 51,219.69-70,684.05-28,252.16

Finding the Fourth Proportional to 51,219.69, 70,684.05 and 28,252.16

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Solution

The fourth proportional to 51,219.69, 70,684.05 and 28,252.16 is: 38,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.69 : 70,684.05 = 28,252.16 : x
  2. Step 2: Convert to fraction form
    51,219.69/70,684.05 = 28,252.16/x
  3. Step 3: Cross multiply
    51,219.69x = 70,684.05 × 28,252.16
  4. Step 4: Simplify right side
    51,219.69x = 1,996,976,736.63
  5. Step 5: Solve for x
    x = 1,996,976,736.63/51,219.69
  6. Step 6: Final answer
    x = 38,988.46

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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.