Home / 32,485.12-48,707.70-12,740.56

Finding the Fourth Proportional to 32,485.12, 48,707.70 and 12,740.56

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Solution

The fourth proportional to 32,485.12, 48,707.70 and 12,740.56 is: 19,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.12 : 48,707.70 = 12,740.56 : x
  2. Step 2: Convert to fraction form
    32,485.12/48,707.70 = 12,740.56/x
  3. Step 3: Cross multiply
    32,485.12x = 48,707.70 × 12,740.56
  4. Step 4: Simplify right side
    32,485.12x = 620,563,374.31
  5. Step 5: Solve for x
    x = 620,563,374.31/32,485.12
  6. Step 6: Final answer
    x = 19,103.00

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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.