Home / 34,890.90-48,148.47-18,976.02

Finding the Fourth Proportional to 34,890.90, 48,148.47 and 18,976.02

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Solution

The fourth proportional to 34,890.90, 48,148.47 and 18,976.02 is: 26,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.90 : 48,148.47 = 18,976.02 : x
  2. Step 2: Convert to fraction form
    34,890.90/48,148.47 = 18,976.02/x
  3. Step 3: Cross multiply
    34,890.90x = 48,148.47 × 18,976.02
  4. Step 4: Simplify right side
    34,890.90x = 913,666,329.69
  5. Step 5: Solve for x
    x = 913,666,329.69/34,890.90
  6. Step 6: Final answer
    x = 26,186.38

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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.