Home / 30,845.20-46,267.80-11,124.40

Finding the Fourth Proportional to 30,845.20, 46,267.80 and 11,124.40

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Solution

The fourth proportional to 30,845.20, 46,267.80 and 11,124.40 is: 16,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.20 : 46,267.80 = 11,124.40 : x
  2. Step 2: Convert to fraction form
    30,845.20/46,267.80 = 11,124.40/x
  3. Step 3: Cross multiply
    30,845.20x = 46,267.80 × 11,124.40
  4. Step 4: Simplify right side
    30,845.20x = 514,701,514.32
  5. Step 5: Solve for x
    x = 514,701,514.32/30,845.20
  6. Step 6: Final answer
    x = 16,686.60

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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.