Home / 70,636.04-97,450.15-40,405.22

Finding the Fourth Proportional to 70,636.04, 97,450.15 and 40,405.22

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Solution

The fourth proportional to 70,636.04, 97,450.15 and 40,405.22 is: 55,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636.04 : 97,450.15 = 40,405.22 : x
  2. Step 2: Convert to fraction form
    70,636.04/97,450.15 = 40,405.22/x
  3. Step 3: Cross multiply
    70,636.04x = 97,450.15 × 40,405.22
  4. Step 4: Simplify right side
    70,636.04x = 3,937,494,749.78
  5. Step 5: Solve for x
    x = 3,937,494,749.78/70,636.04
  6. Step 6: Final answer
    x = 55,743.42

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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.