Home / 46,670.72-69,991.50-20,368.40

Finding the Fourth Proportional to 46,670.72, 69,991.50 and 20,368.40

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Solution

The fourth proportional to 46,670.72, 69,991.50 and 20,368.40 is: 30,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,670.72 : 69,991.50 = 20,368.40 : x
  2. Step 2: Convert to fraction form
    46,670.72/69,991.50 = 20,368.40/x
  3. Step 3: Cross multiply
    46,670.72x = 69,991.50 × 20,368.40
  4. Step 4: Simplify right side
    46,670.72x = 1,425,614,868.60
  5. Step 5: Solve for x
    x = 1,425,614,868.60/46,670.72
  6. Step 6: Final answer
    x = 30,546.24

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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.