Home / 32,531.40-48,813.30-18,502.20

Finding the Fourth Proportional to 32,531.40, 48,813.30 and 18,502.20

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Solution

The fourth proportional to 32,531.40, 48,813.30 and 18,502.20 is: 27,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,531.40 : 48,813.30 = 18,502.20 : x
  2. Step 2: Convert to fraction form
    32,531.40/48,813.30 = 18,502.20/x
  3. Step 3: Cross multiply
    32,531.40x = 48,813.30 × 18,502.20
  4. Step 4: Simplify right side
    32,531.40x = 903,153,439.26
  5. Step 5: Solve for x
    x = 903,153,439.26/32,531.40
  6. Step 6: Final answer
    x = 27,762.51

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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.