Home / 50,740.54-70,020.51-28,080.47

Finding the Fourth Proportional to 50,740.54, 70,020.51 and 28,080.47

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Solution

The fourth proportional to 50,740.54, 70,020.51 and 28,080.47 is: 38,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,740.54 : 70,020.51 = 28,080.47 : x
  2. Step 2: Convert to fraction form
    50,740.54/70,020.51 = 28,080.47/x
  3. Step 3: Cross multiply
    50,740.54x = 70,020.51 × 28,080.47
  4. Step 4: Simplify right side
    50,740.54x = 1,966,208,830.44
  5. Step 5: Solve for x
    x = 1,966,208,830.44/50,740.54
  6. Step 6: Final answer
    x = 38,750.25

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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.