Home / 52,450.10-78,707.95-21,285.35

Finding the Fourth Proportional to 52,450.10, 78,707.95 and 21,285.35

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Solution

The fourth proportional to 52,450.10, 78,707.95 and 21,285.35 is: 31,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.10 : 78,707.95 = 21,285.35 : x
  2. Step 2: Convert to fraction form
    52,450.10/78,707.95 = 21,285.35/x
  3. Step 3: Cross multiply
    52,450.10x = 78,707.95 × 21,285.35
  4. Step 4: Simplify right side
    52,450.10x = 1,675,325,763.57
  5. Step 5: Solve for x
    x = 1,675,325,763.57/52,450.10
  6. Step 6: Final answer
    x = 31,941.33

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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.