Home / 46,439.78-64,106.52-31,352.88

Finding the Fourth Proportional to 46,439.78, 64,106.52 and 31,352.88

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Solution

The fourth proportional to 46,439.78, 64,106.52 and 31,352.88 is: 43,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,439.78 : 64,106.52 = 31,352.88 : x
  2. Step 2: Convert to fraction form
    46,439.78/64,106.52 = 31,352.88/x
  3. Step 3: Cross multiply
    46,439.78x = 64,106.52 × 31,352.88
  4. Step 4: Simplify right side
    46,439.78x = 2,009,923,969.12
  5. Step 5: Solve for x
    x = 2,009,923,969.12/46,439.78
  6. Step 6: Final answer
    x = 43,280.22

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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.