Home / 46,963.40-70,447.80-13,688.60

Finding the Fourth Proportional to 46,963.40, 70,447.80 and 13,688.60

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Solution

The fourth proportional to 46,963.40, 70,447.80 and 13,688.60 is: 20,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,963.40 : 70,447.80 = 13,688.60 : x
  2. Step 2: Convert to fraction form
    46,963.40/70,447.80 = 13,688.60/x
  3. Step 3: Cross multiply
    46,963.40x = 70,447.80 × 13,688.60
  4. Step 4: Simplify right side
    46,963.40x = 964,331,755.08
  5. Step 5: Solve for x
    x = 964,331,755.08/46,963.40
  6. Step 6: Final answer
    x = 20,533.69

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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.