Home / 30,045.38-45,068.67-9,268.88

Finding the Fourth Proportional to 30,045.38, 45,068.67 and 9,268.88

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Solution

The fourth proportional to 30,045.38, 45,068.67 and 9,268.88 is: 13,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.38 : 45,068.67 = 9,268.88 : x
  2. Step 2: Convert to fraction form
    30,045.38/45,068.67 = 9,268.88/x
  3. Step 3: Cross multiply
    30,045.38x = 45,068.67 × 9,268.88
  4. Step 4: Simplify right side
    30,045.38x = 417,735,868.65
  5. Step 5: Solve for x
    x = 417,735,868.65/30,045.38
  6. Step 6: Final answer
    x = 13,903.50

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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.