Home / 47,698.12-65,810.10-29,811.34

Finding the Fourth Proportional to 47,698.12, 65,810.10 and 29,811.34

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Solution

The fourth proportional to 47,698.12, 65,810.10 and 29,811.34 is: 41,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,698.12 : 65,810.10 = 29,811.34 : x
  2. Step 2: Convert to fraction form
    47,698.12/65,810.10 = 29,811.34/x
  3. Step 3: Cross multiply
    47,698.12x = 65,810.10 × 29,811.34
  4. Step 4: Simplify right side
    47,698.12x = 1,961,887,266.53
  5. Step 5: Solve for x
    x = 1,961,887,266.53/47,698.12
  6. Step 6: Final answer
    x = 41,131.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.