Home / 49,880.25-74,820.38-18,693.63

Finding the Fourth Proportional to 49,880.25, 74,820.38 and 18,693.63

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Solution

The fourth proportional to 49,880.25, 74,820.38 and 18,693.63 is: 28,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,880.25 : 74,820.38 = 18,693.63 : x
  2. Step 2: Convert to fraction form
    49,880.25/74,820.38 = 18,693.63/x
  3. Step 3: Cross multiply
    49,880.25x = 74,820.38 × 18,693.63
  4. Step 4: Simplify right side
    49,880.25x = 1,398,664,406.71
  5. Step 5: Solve for x
    x = 1,398,664,406.71/49,880.25
  6. Step 6: Final answer
    x = 28,040.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.