Home / 32,160.12-48,271.32-15,531.84

Finding the Fourth Proportional to 32,160.12, 48,271.32 and 15,531.84

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Solution

The fourth proportional to 32,160.12, 48,271.32 and 15,531.84 is: 23,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,160.12 : 48,271.32 = 15,531.84 : x
  2. Step 2: Convert to fraction form
    32,160.12/48,271.32 = 15,531.84/x
  3. Step 3: Cross multiply
    32,160.12x = 48,271.32 × 15,531.84
  4. Step 4: Simplify right side
    32,160.12x = 749,742,418.83
  5. Step 5: Solve for x
    x = 749,742,418.83/32,160.12
  6. Step 6: Final answer
    x = 23,312.80

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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.