Home / 39,283.48-58,903.26-12,981.16

Finding the Fourth Proportional to 39,283.48, 58,903.26 and 12,981.16

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Solution

The fourth proportional to 39,283.48, 58,903.26 and 12,981.16 is: 19,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,283.48 : 58,903.26 = 12,981.16 : x
  2. Step 2: Convert to fraction form
    39,283.48/58,903.26 = 12,981.16/x
  3. Step 3: Cross multiply
    39,283.48x = 58,903.26 × 12,981.16
  4. Step 4: Simplify right side
    39,283.48x = 764,632,642.58
  5. Step 5: Solve for x
    x = 764,632,642.58/39,283.48
  6. Step 6: Final answer
    x = 19,464.48

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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.