Home / 30,572.08-42,153.46-28,304.89

Finding the Fourth Proportional to 30,572.08, 42,153.46 and 28,304.89

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Solution

The fourth proportional to 30,572.08, 42,153.46 and 28,304.89 is: 39,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572.08 : 42,153.46 = 28,304.89 : x
  2. Step 2: Convert to fraction form
    30,572.08/42,153.46 = 28,304.89/x
  3. Step 3: Cross multiply
    30,572.08x = 42,153.46 × 28,304.89
  4. Step 4: Simplify right side
    30,572.08x = 1,193,149,048.42
  5. Step 5: Solve for x
    x = 1,193,149,048.42/30,572.08
  6. Step 6: Final answer
    x = 39,027.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.