Home / 33,915.68-46,802.80-18,808.40

Finding the Fourth Proportional to 33,915.68, 46,802.80 and 18,808.40

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Solution

The fourth proportional to 33,915.68, 46,802.80 and 18,808.40 is: 25,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.68 : 46,802.80 = 18,808.40 : x
  2. Step 2: Convert to fraction form
    33,915.68/46,802.80 = 18,808.40/x
  3. Step 3: Cross multiply
    33,915.68x = 46,802.80 × 18,808.40
  4. Step 4: Simplify right side
    33,915.68x = 880,285,783.52
  5. Step 5: Solve for x
    x = 880,285,783.52/33,915.68
  6. Step 6: Final answer
    x = 25,955.13

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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.