Home / 35,378.16-48,817.80-19,461.12

Finding the Fourth Proportional to 35,378.16, 48,817.80 and 19,461.12

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Solution

The fourth proportional to 35,378.16, 48,817.80 and 19,461.12 is: 26,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.16 : 48,817.80 = 19,461.12 : x
  2. Step 2: Convert to fraction form
    35,378.16/48,817.80 = 19,461.12/x
  3. Step 3: Cross multiply
    35,378.16x = 48,817.80 × 19,461.12
  4. Step 4: Simplify right side
    35,378.16x = 950,049,063.94
  5. Step 5: Solve for x
    x = 950,049,063.94/35,378.16
  6. Step 6: Final answer
    x = 26,854.11

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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.