Home / 35,488.22-48,972.08-20,370.24

Finding the Fourth Proportional to 35,488.22, 48,972.08 and 20,370.24

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Solution

The fourth proportional to 35,488.22, 48,972.08 and 20,370.24 is: 28,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,488.22 : 48,972.08 = 20,370.24 : x
  2. Step 2: Convert to fraction form
    35,488.22/48,972.08 = 20,370.24/x
  3. Step 3: Cross multiply
    35,488.22x = 48,972.08 × 20,370.24
  4. Step 4: Simplify right side
    35,488.22x = 997,573,073.82
  5. Step 5: Solve for x
    x = 997,573,073.82/35,488.22
  6. Step 6: Final answer
    x = 28,109.98

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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.