Home / 51,653.24-71,305.08-39,712.40

Finding the Fourth Proportional to 51,653.24, 71,305.08 and 39,712.40

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Solution

The fourth proportional to 51,653.24, 71,305.08 and 39,712.40 is: 54,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,653.24 : 71,305.08 = 39,712.40 : x
  2. Step 2: Convert to fraction form
    51,653.24/71,305.08 = 39,712.40/x
  3. Step 3: Cross multiply
    51,653.24x = 71,305.08 × 39,712.40
  4. Step 4: Simplify right side
    51,653.24x = 2,831,695,858.99
  5. Step 5: Solve for x
    x = 2,831,695,858.99/51,653.24
  6. Step 6: Final answer
    x = 54,821.26

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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.