Home / 57,015.24-78,598.26-39,966.36

Finding the Fourth Proportional to 57,015.24, 78,598.26 and 39,966.36

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Solution

The fourth proportional to 57,015.24, 78,598.26 and 39,966.36 is: 55,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.24 : 78,598.26 = 39,966.36 : x
  2. Step 2: Convert to fraction form
    57,015.24/78,598.26 = 39,966.36/x
  3. Step 3: Cross multiply
    57,015.24x = 78,598.26 × 39,966.36
  4. Step 4: Simplify right side
    57,015.24x = 3,141,286,354.53
  5. Step 5: Solve for x
    x = 3,141,286,354.53/57,015.24
  6. Step 6: Final answer
    x = 55,095.56

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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.