Home / 47,012.37-70,520.90-15,419.63

Finding the Fourth Proportional to 47,012.37, 70,520.90 and 15,419.63

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Solution

The fourth proportional to 47,012.37, 70,520.90 and 15,419.63 is: 23,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,012.37 : 70,520.90 = 15,419.63 : x
  2. Step 2: Convert to fraction form
    47,012.37/70,520.90 = 15,419.63/x
  3. Step 3: Cross multiply
    47,012.37x = 70,520.90 × 15,419.63
  4. Step 4: Simplify right side
    47,012.37x = 1,087,406,185.27
  5. Step 5: Solve for x
    x = 1,087,406,185.27/47,012.37
  6. Step 6: Final answer
    x = 23,130.21

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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.