Home / 32,160.15-48,242.12-12,438.81

Finding the Fourth Proportional to 32,160.15, 48,242.12 and 12,438.81

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Solution

The fourth proportional to 32,160.15, 48,242.12 and 12,438.81 is: 18,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,160.15 : 48,242.12 = 12,438.81 : x
  2. Step 2: Convert to fraction form
    32,160.15/48,242.12 = 12,438.81/x
  3. Step 3: Cross multiply
    32,160.15x = 48,242.12 × 12,438.81
  4. Step 4: Simplify right side
    32,160.15x = 600,074,502.48
  5. Step 5: Solve for x
    x = 600,074,502.48/32,160.15
  6. Step 6: Final answer
    x = 18,658.95

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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.