Home / 30,292.89-45,455.73-29,188.45

Finding the Fourth Proportional to 30,292.89, 45,455.73 and 29,188.45

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Solution

The fourth proportional to 30,292.89, 45,455.73 and 29,188.45 is: 43,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.89 : 45,455.73 = 29,188.45 : x
  2. Step 2: Convert to fraction form
    30,292.89/45,455.73 = 29,188.45/x
  3. Step 3: Cross multiply
    30,292.89x = 45,455.73 × 29,188.45
  4. Step 4: Simplify right side
    30,292.89x = 1,326,782,302.32
  5. Step 5: Solve for x
    x = 1,326,782,302.32/30,292.89
  6. Step 6: Final answer
    x = 43,798.47

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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.