Home / 33,538.10-46,280.34-18,430.43

Finding the Fourth Proportional to 33,538.10, 46,280.34 and 18,430.43

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Solution

The fourth proportional to 33,538.10, 46,280.34 and 18,430.43 is: 25,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,538.10 : 46,280.34 = 18,430.43 : x
  2. Step 2: Convert to fraction form
    33,538.10/46,280.34 = 18,430.43/x
  3. Step 3: Cross multiply
    33,538.10x = 46,280.34 × 18,430.43
  4. Step 4: Simplify right side
    33,538.10x = 852,966,777.96
  5. Step 5: Solve for x
    x = 852,966,777.96/33,538.10
  6. Step 6: Final answer
    x = 25,432.77

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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.