Home / 29,870.23-41,220-16,441.48

Finding the Fourth Proportional to 29,870.23, 41,220 and 16,441.48

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Solution

The fourth proportional to 29,870.23, 41,220 and 16,441.48 is: 22,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.23 : 41,220 = 16,441.48 : x
  2. Step 2: Convert to fraction form
    29,870.23/41,220 = 16,441.48/x
  3. Step 3: Cross multiply
    29,870.23x = 41,220 × 16,441.48
  4. Step 4: Simplify right side
    29,870.23x = 677,717,805.60
  5. Step 5: Solve for x
    x = 677,717,805.60/29,870.23
  6. Step 6: Final answer
    x = 22,688.74

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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.