Home / 32,418.95-48,630.93-12,438.01

Finding the Fourth Proportional to 32,418.95, 48,630.93 and 12,438.01

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Solution

The fourth proportional to 32,418.95, 48,630.93 and 12,438.01 is: 18,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.95 : 48,630.93 = 12,438.01 : x
  2. Step 2: Convert to fraction form
    32,418.95/48,630.93 = 12,438.01/x
  3. Step 3: Cross multiply
    32,418.95x = 48,630.93 × 12,438.01
  4. Step 4: Simplify right side
    32,418.95x = 604,871,804.21
  5. Step 5: Solve for x
    x = 604,871,804.21/32,418.95
  6. Step 6: Final answer
    x = 18,657.97

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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.