Home / 47,261.49-70,898.72-20,965.65

Finding the Fourth Proportional to 47,261.49, 70,898.72 and 20,965.65

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Solution

The fourth proportional to 47,261.49, 70,898.72 and 20,965.65 is: 31,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261.49 : 70,898.72 = 20,965.65 : x
  2. Step 2: Convert to fraction form
    47,261.49/70,898.72 = 20,965.65/x
  3. Step 3: Cross multiply
    47,261.49x = 70,898.72 × 20,965.65
  4. Step 4: Simplify right side
    47,261.49x = 1,486,437,644.14
  5. Step 5: Solve for x
    x = 1,486,437,644.14/47,261.49
  6. Step 6: Final answer
    x = 31,451.35

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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.