Home / 30,678.04-46,005.54-11,955.88

Finding the Fourth Proportional to 30,678.04, 46,005.54 and 11,955.88

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Solution

The fourth proportional to 30,678.04, 46,005.54 and 11,955.88 is: 17,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,678.04 : 46,005.54 = 11,955.88 : x
  2. Step 2: Convert to fraction form
    30,678.04/46,005.54 = 11,955.88/x
  3. Step 3: Cross multiply
    30,678.04x = 46,005.54 × 11,955.88
  4. Step 4: Simplify right side
    30,678.04x = 550,036,715.58
  5. Step 5: Solve for x
    x = 550,036,715.58/30,678.04
  6. Step 6: Final answer
    x = 17,929.33

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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.