Home / 30,423.40-45,635.10-16,426.60

Finding the Fourth Proportional to 30,423.40, 45,635.10 and 16,426.60

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Solution

The fourth proportional to 30,423.40, 45,635.10 and 16,426.60 is: 24,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.40 : 45,635.10 = 16,426.60 : x
  2. Step 2: Convert to fraction form
    30,423.40/45,635.10 = 16,426.60/x
  3. Step 3: Cross multiply
    30,423.40x = 45,635.10 × 16,426.60
  4. Step 4: Simplify right side
    30,423.40x = 749,629,533.66
  5. Step 5: Solve for x
    x = 749,629,533.66/30,423.40
  6. Step 6: Final answer
    x = 24,639.90

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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.