Home / 34,903.90-48,166.85-18,987.98

Finding the Fourth Proportional to 34,903.90, 48,166.85 and 18,987.98

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Solution

The fourth proportional to 34,903.90, 48,166.85 and 18,987.98 is: 26,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,903.90 : 48,166.85 = 18,987.98 : x
  2. Step 2: Convert to fraction form
    34,903.90/48,166.85 = 18,987.98/x
  3. Step 3: Cross multiply
    34,903.90x = 48,166.85 × 18,987.98
  4. Step 4: Simplify right side
    34,903.90x = 914,591,089.52
  5. Step 5: Solve for x
    x = 914,591,089.52/34,903.90
  6. Step 6: Final answer
    x = 26,203.12

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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.