Home / 47,146.02-70,709.07-13,857.03

Finding the Fourth Proportional to 47,146.02, 70,709.07 and 13,857.03

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Solution

The fourth proportional to 47,146.02, 70,709.07 and 13,857.03 is: 20,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,146.02 : 70,709.07 = 13,857.03 : x
  2. Step 2: Convert to fraction form
    47,146.02/70,709.07 = 13,857.03/x
  3. Step 3: Cross multiply
    47,146.02x = 70,709.07 × 13,857.03
  4. Step 4: Simplify right side
    47,146.02x = 979,817,704.26
  5. Step 5: Solve for x
    x = 979,817,704.26/47,146.02
  6. Step 6: Final answer
    x = 20,782.62

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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.