Home / 40,768.04-61,144.34-12,688.45

Finding the Fourth Proportional to 40,768.04, 61,144.34 and 12,688.45

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Solution

The fourth proportional to 40,768.04, 61,144.34 and 12,688.45 is: 19,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.04 : 61,144.34 = 12,688.45 : x
  2. Step 2: Convert to fraction form
    40,768.04/61,144.34 = 12,688.45/x
  3. Step 3: Cross multiply
    40,768.04x = 61,144.34 × 12,688.45
  4. Step 4: Simplify right side
    40,768.04x = 775,826,684.57
  5. Step 5: Solve for x
    x = 775,826,684.57/40,768.04
  6. Step 6: Final answer
    x = 19,030.27

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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.