Home / 30,416.83-45,625.20-9,638.71

Finding the Fourth Proportional to 30,416.83, 45,625.20 and 9,638.71

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Solution

The fourth proportional to 30,416.83, 45,625.20 and 9,638.71 is: 14,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.83 : 45,625.20 = 9,638.71 : x
  2. Step 2: Convert to fraction form
    30,416.83/45,625.20 = 9,638.71/x
  3. Step 3: Cross multiply
    30,416.83x = 45,625.20 × 9,638.71
  4. Step 4: Simplify right side
    30,416.83x = 439,768,071.49
  5. Step 5: Solve for x
    x = 439,768,071.49/30,416.83
  6. Step 6: Final answer
    x = 14,458.05

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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.