Home / 30,717.40-46,060.80-11,986.24

Finding the Fourth Proportional to 30,717.40, 46,060.80 and 11,986.24

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Solution

The fourth proportional to 30,717.40, 46,060.80 and 11,986.24 is: 17,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.40 : 46,060.80 = 11,986.24 : x
  2. Step 2: Convert to fraction form
    30,717.40/46,060.80 = 11,986.24/x
  3. Step 3: Cross multiply
    30,717.40x = 46,060.80 × 11,986.24
  4. Step 4: Simplify right side
    30,717.40x = 552,095,803.39
  5. Step 5: Solve for x
    x = 552,095,803.39/30,717.40
  6. Step 6: Final answer
    x = 17,973.39

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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.