Home / 47,835.98-66,028.32-30,840.24

Finding the Fourth Proportional to 47,835.98, 66,028.32 and 30,840.24

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Solution

The fourth proportional to 47,835.98, 66,028.32 and 30,840.24 is: 42,568.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,835.98 : 66,028.32 = 30,840.24 : x
  2. Step 2: Convert to fraction form
    47,835.98/66,028.32 = 30,840.24/x
  3. Step 3: Cross multiply
    47,835.98x = 66,028.32 × 30,840.24
  4. Step 4: Simplify right side
    47,835.98x = 2,036,329,235.60
  5. Step 5: Solve for x
    x = 2,036,329,235.60/47,835.98
  6. Step 6: Final answer
    x = 42,568.99

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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.