Home / 51,477.84-71,071.52-39,517.36

Finding the Fourth Proportional to 51,477.84, 71,071.52 and 39,517.36

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Solution

The fourth proportional to 51,477.84, 71,071.52 and 39,517.36 is: 54,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.84 : 71,071.52 = 39,517.36 : x
  2. Step 2: Convert to fraction form
    51,477.84/71,071.52 = 39,517.36/x
  3. Step 3: Cross multiply
    51,477.84x = 71,071.52 × 39,517.36
  4. Step 4: Simplify right side
    51,477.84x = 2,808,558,841.59
  5. Step 5: Solve for x
    x = 2,808,558,841.59/51,477.84
  6. Step 6: Final answer
    x = 54,558.60

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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.