Home / 29,436.96-40,631.76-16,870.08

Finding the Fourth Proportional to 29,436.96, 40,631.76 and 16,870.08

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Solution

The fourth proportional to 29,436.96, 40,631.76 and 16,870.08 is: 23,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.96 : 40,631.76 = 16,870.08 : x
  2. Step 2: Convert to fraction form
    29,436.96/40,631.76 = 16,870.08/x
  3. Step 3: Cross multiply
    29,436.96x = 40,631.76 × 16,870.08
  4. Step 4: Simplify right side
    29,436.96x = 685,461,041.74
  5. Step 5: Solve for x
    x = 685,461,041.74/29,436.96
  6. Step 6: Final answer
    x = 23,285.73

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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.