Home / 30,901.34-46,237.19-18,428.15

Finding the Fourth Proportional to 30,901.34, 46,237.19 and 18,428.15

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Solution

The fourth proportional to 30,901.34, 46,237.19 and 18,428.15 is: 27,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,901.34 : 46,237.19 = 18,428.15 : x
  2. Step 2: Convert to fraction form
    30,901.34/46,237.19 = 18,428.15/x
  3. Step 3: Cross multiply
    30,901.34x = 46,237.19 × 18,428.15
  4. Step 4: Simplify right side
    30,901.34x = 852,065,872.90
  5. Step 5: Solve for x
    x = 852,065,872.90/30,901.34
  6. Step 6: Final answer
    x = 27,573.75

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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.