Home / 39,316.84-58,984.48-13,021.59

Finding the Fourth Proportional to 39,316.84, 58,984.48 and 13,021.59

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Solution

The fourth proportional to 39,316.84, 58,984.48 and 13,021.59 is: 19,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,316.84 : 58,984.48 = 13,021.59 : x
  2. Step 2: Convert to fraction form
    39,316.84/58,984.48 = 13,021.59/x
  3. Step 3: Cross multiply
    39,316.84x = 58,984.48 × 13,021.59
  4. Step 4: Simplify right side
    39,316.84x = 768,071,714.92
  5. Step 5: Solve for x
    x = 768,071,714.92/39,316.84
  6. Step 6: Final answer
    x = 19,535.44

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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.