Home / 47,994.64-71,986.80-12,937.84

Finding the Fourth Proportional to 47,994.64, 71,986.80 and 12,937.84

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Solution

The fourth proportional to 47,994.64, 71,986.80 and 12,937.84 is: 19,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,994.64 : 71,986.80 = 12,937.84 : x
  2. Step 2: Convert to fraction form
    47,994.64/71,986.80 = 12,937.84/x
  3. Step 3: Cross multiply
    47,994.64x = 71,986.80 × 12,937.84
  4. Step 4: Simplify right side
    47,994.64x = 931,353,700.51
  5. Step 5: Solve for x
    x = 931,353,700.51/47,994.64
  6. Step 6: Final answer
    x = 19,405.37

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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.