Home / 34,987.17-48,280.55-19,877.83

Finding the Fourth Proportional to 34,987.17, 48,280.55 and 19,877.83

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Solution

The fourth proportional to 34,987.17, 48,280.55 and 19,877.83 is: 27,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,987.17 : 48,280.55 = 19,877.83 : x
  2. Step 2: Convert to fraction form
    34,987.17/48,280.55 = 19,877.83/x
  3. Step 3: Cross multiply
    34,987.17x = 48,280.55 × 19,877.83
  4. Step 4: Simplify right side
    34,987.17x = 959,712,672.60
  5. Step 5: Solve for x
    x = 959,712,672.60/34,987.17
  6. Step 6: Final answer
    x = 27,430.42

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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.