Home / 30,897.75-46,355.29-8,711.25

Finding the Fourth Proportional to 30,897.75, 46,355.29 and 8,711.25

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Solution

The fourth proportional to 30,897.75, 46,355.29 and 8,711.25 is: 13,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.75 : 46,355.29 = 8,711.25 : x
  2. Step 2: Convert to fraction form
    30,897.75/46,355.29 = 8,711.25/x
  3. Step 3: Cross multiply
    30,897.75x = 46,355.29 × 8,711.25
  4. Step 4: Simplify right side
    30,897.75x = 403,812,324.40
  5. Step 5: Solve for x
    x = 403,812,324.40/30,897.75
  6. Step 6: Final answer
    x = 13,069.31

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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.