Home / 32,122.80-48,156.51-12,415.18

Finding the Fourth Proportional to 32,122.80, 48,156.51 and 12,415.18

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Solution

The fourth proportional to 32,122.80, 48,156.51 and 12,415.18 is: 18,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,122.80 : 48,156.51 = 12,415.18 : x
  2. Step 2: Convert to fraction form
    32,122.80/48,156.51 = 12,415.18/x
  3. Step 3: Cross multiply
    32,122.80x = 48,156.51 × 12,415.18
  4. Step 4: Simplify right side
    32,122.80x = 597,871,739.82
  5. Step 5: Solve for x
    x = 597,871,739.82/32,122.80
  6. Step 6: Final answer
    x = 18,612.07

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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.