Home / 30,686.43-46,029.69-9,339.33

Finding the Fourth Proportional to 30,686.43, 46,029.69 and 9,339.33

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Solution

The fourth proportional to 30,686.43, 46,029.69 and 9,339.33 is: 14,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,686.43 : 46,029.69 = 9,339.33 : x
  2. Step 2: Convert to fraction form
    30,686.43/46,029.69 = 9,339.33/x
  3. Step 3: Cross multiply
    30,686.43x = 46,029.69 × 9,339.33
  4. Step 4: Simplify right side
    30,686.43x = 429,886,464.71
  5. Step 5: Solve for x
    x = 429,886,464.71/30,686.43
  6. Step 6: Final answer
    x = 14,009.01

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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.