Home / 47,015.24-70,520.26-15,421.28

Finding the Fourth Proportional to 47,015.24, 70,520.26 and 15,421.28

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Solution

The fourth proportional to 47,015.24, 70,520.26 and 15,421.28 is: 23,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,015.24 : 70,520.26 = 15,421.28 : x
  2. Step 2: Convert to fraction form
    47,015.24/70,520.26 = 15,421.28/x
  3. Step 3: Cross multiply
    47,015.24x = 70,520.26 × 15,421.28
  4. Step 4: Simplify right side
    47,015.24x = 1,087,512,675.13
  5. Step 5: Solve for x
    x = 1,087,512,675.13/47,015.24
  6. Step 6: Final answer
    x = 23,131.07

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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.