Home / 30,385.60-45,578.40-17,044.90

Finding the Fourth Proportional to 30,385.60, 45,578.40 and 17,044.90

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Solution

The fourth proportional to 30,385.60, 45,578.40 and 17,044.90 is: 25,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.60 : 45,578.40 = 17,044.90 : x
  2. Step 2: Convert to fraction form
    30,385.60/45,578.40 = 17,044.90/x
  3. Step 3: Cross multiply
    30,385.60x = 45,578.40 × 17,044.90
  4. Step 4: Simplify right side
    30,385.60x = 776,879,270.16
  5. Step 5: Solve for x
    x = 776,879,270.16/30,385.60
  6. Step 6: Final answer
    x = 25,567.35

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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.