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Finding the Fourth Proportional to 30,795.88, 46,211.48 and 30,545.32

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Solution

The fourth proportional to 30,795.88, 46,211.48 and 30,545.32 is: 45,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,795.88 : 46,211.48 = 30,545.32 : x
  2. Step 2: Convert to fraction form
    30,795.88/46,211.48 = 30,545.32/x
  3. Step 3: Cross multiply
    30,795.88x = 46,211.48 × 30,545.32
  4. Step 4: Simplify right side
    30,795.88x = 1,411,544,444.27
  5. Step 5: Solve for x
    x = 1,411,544,444.27/30,795.88
  6. Step 6: Final answer
    x = 45,835.50

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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.