Home / 34,985.66-48,281.35-19,877.43

Finding the Fourth Proportional to 34,985.66, 48,281.35 and 19,877.43

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Solution

The fourth proportional to 34,985.66, 48,281.35 and 19,877.43 is: 27,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,985.66 : 48,281.35 = 19,877.43 : x
  2. Step 2: Convert to fraction form
    34,985.66/48,281.35 = 19,877.43/x
  3. Step 3: Cross multiply
    34,985.66x = 48,281.35 × 19,877.43
  4. Step 4: Simplify right side
    34,985.66x = 959,708,913.52
  5. Step 5: Solve for x
    x = 959,708,913.52/34,985.66
  6. Step 6: Final answer
    x = 27,431.49

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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.