Home / 30,289.08-45,391.08-25,823.65

Finding the Fourth Proportional to 30,289.08, 45,391.08 and 25,823.65

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Solution

The fourth proportional to 30,289.08, 45,391.08 and 25,823.65 is: 38,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.08 : 45,391.08 = 25,823.65 : x
  2. Step 2: Convert to fraction form
    30,289.08/45,391.08 = 25,823.65/x
  3. Step 3: Cross multiply
    30,289.08x = 45,391.08 × 25,823.65
  4. Step 4: Simplify right side
    30,289.08x = 1,172,163,363.04
  5. Step 5: Solve for x
    x = 1,172,163,363.04/30,289.08
  6. Step 6: Final answer
    x = 38,699.21

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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.