Home / 30,714.04-46,068.86-11,990.58

Finding the Fourth Proportional to 30,714.04, 46,068.86 and 11,990.58

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Solution

The fourth proportional to 30,714.04, 46,068.86 and 11,990.58 is: 17,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,714.04 : 46,068.86 = 11,990.58 : x
  2. Step 2: Convert to fraction form
    30,714.04/46,068.86 = 11,990.58/x
  3. Step 3: Cross multiply
    30,714.04x = 46,068.86 × 11,990.58
  4. Step 4: Simplify right side
    30,714.04x = 552,392,351.34
  5. Step 5: Solve for x
    x = 552,392,351.34/30,714.04
  6. Step 6: Final answer
    x = 17,985.01

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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.