Home / 50,007.51-74,967.12-18,864.63

Finding the Fourth Proportional to 50,007.51, 74,967.12 and 18,864.63

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Solution

The fourth proportional to 50,007.51, 74,967.12 and 18,864.63 is: 28,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,007.51 : 74,967.12 = 18,864.63 : x
  2. Step 2: Convert to fraction form
    50,007.51/74,967.12 = 18,864.63/x
  3. Step 3: Cross multiply
    50,007.51x = 74,967.12 × 18,864.63
  4. Step 4: Simplify right side
    50,007.51x = 1,414,226,980.97
  5. Step 5: Solve for x
    x = 1,414,226,980.97/50,007.51
  6. Step 6: Final answer
    x = 28,280.29

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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.