Home / 53,934.80-80,880.60-18,856.40

Finding the Fourth Proportional to 53,934.80, 80,880.60 and 18,856.40

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Solution

The fourth proportional to 53,934.80, 80,880.60 and 18,856.40 is: 28,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.80 : 80,880.60 = 18,856.40 : x
  2. Step 2: Convert to fraction form
    53,934.80/80,880.60 = 18,856.40/x
  3. Step 3: Cross multiply
    53,934.80x = 80,880.60 × 18,856.40
  4. Step 4: Simplify right side
    53,934.80x = 1,525,116,945.84
  5. Step 5: Solve for x
    x = 1,525,116,945.84/53,934.80
  6. Step 6: Final answer
    x = 28,277.05

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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.