Home / 30,935.60-46,412.67-12,218.30

Finding the Fourth Proportional to 30,935.60, 46,412.67 and 12,218.30

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Solution

The fourth proportional to 30,935.60, 46,412.67 and 12,218.30 is: 18,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.60 : 46,412.67 = 12,218.30 : x
  2. Step 2: Convert to fraction form
    30,935.60/46,412.67 = 12,218.30/x
  3. Step 3: Cross multiply
    30,935.60x = 46,412.67 × 12,218.30
  4. Step 4: Simplify right side
    30,935.60x = 567,083,925.86
  5. Step 5: Solve for x
    x = 567,083,925.86/30,935.60
  6. Step 6: Final answer
    x = 18,331.11

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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.