Home / 30,251.20-45,322.80-14,634.40

Finding the Fourth Proportional to 30,251.20, 45,322.80 and 14,634.40

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Solution

The fourth proportional to 30,251.20, 45,322.80 and 14,634.40 is: 21,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.20 : 45,322.80 = 14,634.40 : x
  2. Step 2: Convert to fraction form
    30,251.20/45,322.80 = 14,634.40/x
  3. Step 3: Cross multiply
    30,251.20x = 45,322.80 × 14,634.40
  4. Step 4: Simplify right side
    30,251.20x = 663,271,984.32
  5. Step 5: Solve for x
    x = 663,271,984.32/30,251.20
  6. Step 6: Final answer
    x = 21,925.48

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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.