Home / 30,845.10-46,254.69-13,305.90

Finding the Fourth Proportional to 30,845.10, 46,254.69 and 13,305.90

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Solution

The fourth proportional to 30,845.10, 46,254.69 and 13,305.90 is: 19,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.10 : 46,254.69 = 13,305.90 : x
  2. Step 2: Convert to fraction form
    30,845.10/46,254.69 = 13,305.90/x
  3. Step 3: Cross multiply
    30,845.10x = 46,254.69 × 13,305.90
  4. Step 4: Simplify right side
    30,845.10x = 615,460,279.67
  5. Step 5: Solve for x
    x = 615,460,279.67/30,845.10
  6. Step 6: Final answer
    x = 19,953.26

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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.