Home / 31,038.23-42,832.19-17,240.07

Finding the Fourth Proportional to 31,038.23, 42,832.19 and 17,240.07

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Solution

The fourth proportional to 31,038.23, 42,832.19 and 17,240.07 is: 23,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038.23 : 42,832.19 = 17,240.07 : x
  2. Step 2: Convert to fraction form
    31,038.23/42,832.19 = 17,240.07/x
  3. Step 3: Cross multiply
    31,038.23x = 42,832.19 × 17,240.07
  4. Step 4: Simplify right side
    31,038.23x = 738,429,867.65
  5. Step 5: Solve for x
    x = 738,429,867.65/31,038.23
  6. Step 6: Final answer
    x = 23,790.98

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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.