Home / 30,291.89-45,454.23-29,187.45

Finding the Fourth Proportional to 30,291.89, 45,454.23 and 29,187.45

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Solution

The fourth proportional to 30,291.89, 45,454.23 and 29,187.45 is: 43,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.89 : 45,454.23 = 29,187.45 : x
  2. Step 2: Convert to fraction form
    30,291.89/45,454.23 = 29,187.45/x
  3. Step 3: Cross multiply
    30,291.89x = 45,454.23 × 29,187.45
  4. Step 4: Simplify right side
    30,291.89x = 1,326,693,065.41
  5. Step 5: Solve for x
    x = 1,326,693,065.41/30,291.89
  6. Step 6: Final answer
    x = 43,796.98

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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.