Home / 30,714.72-46,060.80-10,987.92

Finding the Fourth Proportional to 30,714.72, 46,060.80 and 10,987.92

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Solution

The fourth proportional to 30,714.72, 46,060.80 and 10,987.92 is: 16,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,714.72 : 46,060.80 = 10,987.92 : x
  2. Step 2: Convert to fraction form
    30,714.72/46,060.80 = 10,987.92/x
  3. Step 3: Cross multiply
    30,714.72x = 46,060.80 × 10,987.92
  4. Step 4: Simplify right side
    30,714.72x = 506,112,385.54
  5. Step 5: Solve for x
    x = 506,112,385.54/30,714.72
  6. Step 6: Final answer
    x = 16,477.84

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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.