Home / 40,106.93-60,269.42-21,400.18

Finding the Fourth Proportional to 40,106.93, 60,269.42 and 21,400.18

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Solution

The fourth proportional to 40,106.93, 60,269.42 and 21,400.18 is: 32,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.93 : 60,269.42 = 21,400.18 : x
  2. Step 2: Convert to fraction form
    40,106.93/60,269.42 = 21,400.18/x
  3. Step 3: Cross multiply
    40,106.93x = 60,269.42 × 21,400.18
  4. Step 4: Simplify right side
    40,106.93x = 1,289,776,339.32
  5. Step 5: Solve for x
    x = 1,289,776,339.32/40,106.93
  6. Step 6: Final answer
    x = 32,158.44

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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.