Home / 53,915.94-74,402.73-33,784.20

Finding the Fourth Proportional to 53,915.94, 74,402.73 and 33,784.20

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Solution

The fourth proportional to 53,915.94, 74,402.73 and 33,784.20 is: 46,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915.94 : 74,402.73 = 33,784.20 : x
  2. Step 2: Convert to fraction form
    53,915.94/74,402.73 = 33,784.20/x
  3. Step 3: Cross multiply
    53,915.94x = 74,402.73 × 33,784.20
  4. Step 4: Simplify right side
    53,915.94x = 2,513,636,710.87
  5. Step 5: Solve for x
    x = 2,513,636,710.87/53,915.94
  6. Step 6: Final answer
    x = 46,621.40

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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.