Home / 47,004.42-70,525.07-20,690.70

Finding the Fourth Proportional to 47,004.42, 70,525.07 and 20,690.70

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Solution

The fourth proportional to 47,004.42, 70,525.07 and 20,690.70 is: 31,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,004.42 : 70,525.07 = 20,690.70 : x
  2. Step 2: Convert to fraction form
    47,004.42/70,525.07 = 20,690.70/x
  3. Step 3: Cross multiply
    47,004.42x = 70,525.07 × 20,690.70
  4. Step 4: Simplify right side
    47,004.42x = 1,459,213,065.85
  5. Step 5: Solve for x
    x = 1,459,213,065.85/47,004.42
  6. Step 6: Final answer
    x = 31,044.17

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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.