Home / 34,389.99-47,460.14-19,287.49

Finding the Fourth Proportional to 34,389.99, 47,460.14 and 19,287.49

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Solution

The fourth proportional to 34,389.99, 47,460.14 and 19,287.49 is: 26,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.99 : 47,460.14 = 19,287.49 : x
  2. Step 2: Convert to fraction form
    34,389.99/47,460.14 = 19,287.49/x
  3. Step 3: Cross multiply
    34,389.99x = 47,460.14 × 19,287.49
  4. Step 4: Simplify right side
    34,389.99x = 915,386,975.65
  5. Step 5: Solve for x
    x = 915,386,975.65/34,389.99
  6. Step 6: Final answer
    x = 26,617.83

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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.