Home / 30,135.25-45,203.34-14,341.93

Finding the Fourth Proportional to 30,135.25, 45,203.34 and 14,341.93

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Solution

The fourth proportional to 30,135.25, 45,203.34 and 14,341.93 is: 21,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.25 : 45,203.34 = 14,341.93 : x
  2. Step 2: Convert to fraction form
    30,135.25/45,203.34 = 14,341.93/x
  3. Step 3: Cross multiply
    30,135.25x = 45,203.34 × 14,341.93
  4. Step 4: Simplify right side
    30,135.25x = 648,303,138.05
  5. Step 5: Solve for x
    x = 648,303,138.05/30,135.25
  6. Step 6: Final answer
    x = 21,513.12

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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.