Home / 39,858.84-59,825.16-20,151.18

Finding the Fourth Proportional to 39,858.84, 59,825.16 and 20,151.18

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Solution

The fourth proportional to 39,858.84, 59,825.16 and 20,151.18 is: 30,245.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.84 : 59,825.16 = 20,151.18 : x
  2. Step 2: Convert to fraction form
    39,858.84/59,825.16 = 20,151.18/x
  3. Step 3: Cross multiply
    39,858.84x = 59,825.16 × 20,151.18
  4. Step 4: Simplify right side
    39,858.84x = 1,205,547,567.69
  5. Step 5: Solve for x
    x = 1,205,547,567.69/39,858.84
  6. Step 6: Final answer
    x = 30,245.43

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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.