Home / 30,107.40-45,176.60-14,330.32

Finding the Fourth Proportional to 30,107.40, 45,176.60 and 14,330.32

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Solution

The fourth proportional to 30,107.40, 45,176.60 and 14,330.32 is: 21,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.40 : 45,176.60 = 14,330.32 : x
  2. Step 2: Convert to fraction form
    30,107.40/45,176.60 = 14,330.32/x
  3. Step 3: Cross multiply
    30,107.40x = 45,176.60 × 14,330.32
  4. Step 4: Simplify right side
    30,107.40x = 647,395,134.51
  5. Step 5: Solve for x
    x = 647,395,134.51/30,107.40
  6. Step 6: Final answer
    x = 21,502.86

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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.