Home / 32,981.79-49,477.94-11,919.70

Finding the Fourth Proportional to 32,981.79, 49,477.94 and 11,919.70

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Solution

The fourth proportional to 32,981.79, 49,477.94 and 11,919.70 is: 17,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981.79 : 49,477.94 = 11,919.70 : x
  2. Step 2: Convert to fraction form
    32,981.79/49,477.94 = 11,919.70/x
  3. Step 3: Cross multiply
    32,981.79x = 49,477.94 × 11,919.70
  4. Step 4: Simplify right side
    32,981.79x = 589,762,315.41
  5. Step 5: Solve for x
    x = 589,762,315.41/32,981.79
  6. Step 6: Final answer
    x = 17,881.45

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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.