Home / 64,814.04-89,448.57-36,143.07

Finding the Fourth Proportional to 64,814.04, 89,448.57 and 36,143.07

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Solution

The fourth proportional to 64,814.04, 89,448.57 and 36,143.07 is: 49,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,814.04 : 89,448.57 = 36,143.07 : x
  2. Step 2: Convert to fraction form
    64,814.04/89,448.57 = 36,143.07/x
  3. Step 3: Cross multiply
    64,814.04x = 89,448.57 × 36,143.07
  4. Step 4: Simplify right side
    64,814.04x = 3,232,945,926.91
  5. Step 5: Solve for x
    x = 3,232,945,926.91/64,814.04
  6. Step 6: Final answer
    x = 49,880.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.