Home / 46,808.94-70,151.31-20,485.02

Finding the Fourth Proportional to 46,808.94, 70,151.31 and 20,485.02

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Solution

The fourth proportional to 46,808.94, 70,151.31 and 20,485.02 is: 30,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,808.94 : 70,151.31 = 20,485.02 : x
  2. Step 2: Convert to fraction form
    46,808.94/70,151.31 = 20,485.02/x
  3. Step 3: Cross multiply
    46,808.94x = 70,151.31 × 20,485.02
  4. Step 4: Simplify right side
    46,808.94x = 1,437,050,988.38
  5. Step 5: Solve for x
    x = 1,437,050,988.38/46,808.94
  6. Step 6: Final answer
    x = 30,700.35

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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.