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Finding the Fourth Proportional to 30,557.42, 45,830.04 and 8,365.04

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Solution

The fourth proportional to 30,557.42, 45,830.04 and 8,365.04 is: 12,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.42 : 45,830.04 = 8,365.04 : x
  2. Step 2: Convert to fraction form
    30,557.42/45,830.04 = 8,365.04/x
  3. Step 3: Cross multiply
    30,557.42x = 45,830.04 × 8,365.04
  4. Step 4: Simplify right side
    30,557.42x = 383,369,888.65
  5. Step 5: Solve for x
    x = 383,369,888.65/30,557.42
  6. Step 6: Final answer
    x = 12,545.89

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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.