Home / 34,406.71-47,480.18-20,973.06

Finding the Fourth Proportional to 34,406.71, 47,480.18 and 20,973.06

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Solution

The fourth proportional to 34,406.71, 47,480.18 and 20,973.06 is: 28,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,406.71 : 47,480.18 = 20,973.06 : x
  2. Step 2: Convert to fraction form
    34,406.71/47,480.18 = 20,973.06/x
  3. Step 3: Cross multiply
    34,406.71x = 47,480.18 × 20,973.06
  4. Step 4: Simplify right side
    34,406.71x = 995,804,559.09
  5. Step 5: Solve for x
    x = 995,804,559.09/34,406.71
  6. Step 6: Final answer
    x = 28,942.16

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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.