Home / 32,960.79-49,417.65-15,421.05

Finding the Fourth Proportional to 32,960.79, 49,417.65 and 15,421.05

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Solution

The fourth proportional to 32,960.79, 49,417.65 and 15,421.05 is: 23,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,960.79 : 49,417.65 = 15,421.05 : x
  2. Step 2: Convert to fraction form
    32,960.79/49,417.65 = 15,421.05/x
  3. Step 3: Cross multiply
    32,960.79x = 49,417.65 × 15,421.05
  4. Step 4: Simplify right side
    32,960.79x = 762,072,051.53
  5. Step 5: Solve for x
    x = 762,072,051.53/32,960.79
  6. Step 6: Final answer
    x = 23,120.56

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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.