Home / 30,888.23-46,279.40-20,737.60

Finding the Fourth Proportional to 30,888.23, 46,279.40 and 20,737.60

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Solution

The fourth proportional to 30,888.23, 46,279.40 and 20,737.60 is: 31,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.23 : 46,279.40 = 20,737.60 : x
  2. Step 2: Convert to fraction form
    30,888.23/46,279.40 = 20,737.60/x
  3. Step 3: Cross multiply
    30,888.23x = 46,279.40 × 20,737.60
  4. Step 4: Simplify right side
    30,888.23x = 959,723,621.59
  5. Step 5: Solve for x
    x = 959,723,621.59/30,888.23
  6. Step 6: Final answer
    x = 31,070.85

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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.