Home / 30,005.08-41,403.90-17,427.40

Finding the Fourth Proportional to 30,005.08, 41,403.90 and 17,427.40

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Solution

The fourth proportional to 30,005.08, 41,403.90 and 17,427.40 is: 24,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.08 : 41,403.90 = 17,427.40 : x
  2. Step 2: Convert to fraction form
    30,005.08/41,403.90 = 17,427.40/x
  3. Step 3: Cross multiply
    30,005.08x = 41,403.90 × 17,427.40
  4. Step 4: Simplify right side
    30,005.08x = 721,562,326.86
  5. Step 5: Solve for x
    x = 721,562,326.86/30,005.08
  6. Step 6: Final answer
    x = 24,048.01

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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.