Home / 45,625.72-68,426.70-19,316.92

Finding the Fourth Proportional to 45,625.72, 68,426.70 and 19,316.92

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Solution

The fourth proportional to 45,625.72, 68,426.70 and 19,316.92 is: 28,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,625.72 : 68,426.70 = 19,316.92 : x
  2. Step 2: Convert to fraction form
    45,625.72/68,426.70 = 19,316.92/x
  3. Step 3: Cross multiply
    45,625.72x = 68,426.70 × 19,316.92
  4. Step 4: Simplify right side
    45,625.72x = 1,321,793,089.76
  5. Step 5: Solve for x
    x = 1,321,793,089.76/45,625.72
  6. Step 6: Final answer
    x = 28,970.35

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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.