Home / 61,515.45-84,881.07-34,285.64

Finding the Fourth Proportional to 61,515.45, 84,881.07 and 34,285.64

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Solution

The fourth proportional to 61,515.45, 84,881.07 and 34,285.64 is: 47,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515.45 : 84,881.07 = 34,285.64 : x
  2. Step 2: Convert to fraction form
    61,515.45/84,881.07 = 34,285.64/x
  3. Step 3: Cross multiply
    61,515.45x = 84,881.07 × 34,285.64
  4. Step 4: Simplify right side
    61,515.45x = 2,910,201,384.43
  5. Step 5: Solve for x
    x = 2,910,201,384.43/61,515.45
  6. Step 6: Final answer
    x = 47,308.46

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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.