Home / 23,030.65-34,490.62-13,139.94

Finding the Fourth Proportional to 23,030.65, 34,490.62 and 13,139.94

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Solution

The fourth proportional to 23,030.65, 34,490.62 and 13,139.94 is: 19,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,030.65 : 34,490.62 = 13,139.94 : x
  2. Step 2: Convert to fraction form
    23,030.65/34,490.62 = 13,139.94/x
  3. Step 3: Cross multiply
    23,030.65x = 34,490.62 × 13,139.94
  4. Step 4: Simplify right side
    23,030.65x = 453,204,697.89
  5. Step 5: Solve for x
    x = 453,204,697.89/23,030.65
  6. Step 6: Final answer
    x = 19,678.33

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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.