Home / 34,325.51-47,363.70-19,218.80

Finding the Fourth Proportional to 34,325.51, 47,363.70 and 19,218.80

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Solution

The fourth proportional to 34,325.51, 47,363.70 and 19,218.80 is: 26,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,325.51 : 47,363.70 = 19,218.80 : x
  2. Step 2: Convert to fraction form
    34,325.51/47,363.70 = 19,218.80/x
  3. Step 3: Cross multiply
    34,325.51x = 47,363.70 × 19,218.80
  4. Step 4: Simplify right side
    34,325.51x = 910,273,477.56
  5. Step 5: Solve for x
    x = 910,273,477.56/34,325.51
  6. Step 6: Final answer
    x = 26,518.86

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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.