Home / 30,045.60-41,462.69-16,616.81

Finding the Fourth Proportional to 30,045.60, 41,462.69 and 16,616.81

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Solution

The fourth proportional to 30,045.60, 41,462.69 and 16,616.81 is: 22,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.60 : 41,462.69 = 16,616.81 : x
  2. Step 2: Convert to fraction form
    30,045.60/41,462.69 = 16,616.81/x
  3. Step 3: Cross multiply
    30,045.60x = 41,462.69 × 16,616.81
  4. Step 4: Simplify right side
    30,045.60x = 688,977,662.39
  5. Step 5: Solve for x
    x = 688,977,662.39/30,045.60
  6. Step 6: Final answer
    x = 22,931.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.