Home / 34,968.12-52,457.34-12,776.31

Finding the Fourth Proportional to 34,968.12, 52,457.34 and 12,776.31

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Solution

The fourth proportional to 34,968.12, 52,457.34 and 12,776.31 is: 19,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,968.12 : 52,457.34 = 12,776.31 : x
  2. Step 2: Convert to fraction form
    34,968.12/52,457.34 = 12,776.31/x
  3. Step 3: Cross multiply
    34,968.12x = 52,457.34 × 12,776.31
  4. Step 4: Simplify right side
    34,968.12x = 670,211,237.62
  5. Step 5: Solve for x
    x = 670,211,237.62/34,968.12
  6. Step 6: Final answer
    x = 19,166.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.