Home / 30,215.10-45,322.65-14,634.30

Finding the Fourth Proportional to 30,215.10, 45,322.65 and 14,634.30

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Solution

The fourth proportional to 30,215.10, 45,322.65 and 14,634.30 is: 21,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.10 : 45,322.65 = 14,634.30 : x
  2. Step 2: Convert to fraction form
    30,215.10/45,322.65 = 14,634.30/x
  3. Step 3: Cross multiply
    30,215.10x = 45,322.65 × 14,634.30
  4. Step 4: Simplify right side
    30,215.10x = 663,265,256.90
  5. Step 5: Solve for x
    x = 663,265,256.90/30,215.10
  6. Step 6: Final answer
    x = 21,951.45

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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.