Home / 32,418.72-48,609.40-12,686.51

Finding the Fourth Proportional to 32,418.72, 48,609.40 and 12,686.51

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Solution

The fourth proportional to 32,418.72, 48,609.40 and 12,686.51 is: 19,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.72 : 48,609.40 = 12,686.51 : x
  2. Step 2: Convert to fraction form
    32,418.72/48,609.40 = 12,686.51/x
  3. Step 3: Cross multiply
    32,418.72x = 48,609.40 × 12,686.51
  4. Step 4: Simplify right side
    32,418.72x = 616,683,639.19
  5. Step 5: Solve for x
    x = 616,683,639.19/32,418.72
  6. Step 6: Final answer
    x = 19,022.45

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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.