Home / 30,033.90-41,445.48-16,421.70

Finding the Fourth Proportional to 30,033.90, 41,445.48 and 16,421.70

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Solution

The fourth proportional to 30,033.90, 41,445.48 and 16,421.70 is: 22,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.90 : 41,445.48 = 16,421.70 : x
  2. Step 2: Convert to fraction form
    30,033.90/41,445.48 = 16,421.70/x
  3. Step 3: Cross multiply
    30,033.90x = 41,445.48 × 16,421.70
  4. Step 4: Simplify right side
    30,033.90x = 680,605,031.69
  5. Step 5: Solve for x
    x = 680,605,031.69/30,033.90
  6. Step 6: Final answer
    x = 22,661.23

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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.