Home / 45,205.51-67,798.98-17,115.89

Finding the Fourth Proportional to 45,205.51, 67,798.98 and 17,115.89

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Solution

The fourth proportional to 45,205.51, 67,798.98 and 17,115.89 is: 25,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.51 : 67,798.98 = 17,115.89 : x
  2. Step 2: Convert to fraction form
    45,205.51/67,798.98 = 17,115.89/x
  3. Step 3: Cross multiply
    45,205.51x = 67,798.98 × 17,115.89
  4. Step 4: Simplify right side
    45,205.51x = 1,160,439,883.79
  5. Step 5: Solve for x
    x = 1,160,439,883.79/45,205.51
  6. Step 6: Final answer
    x = 25,670.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.