Home / 51,187.32-70,640.68-28,526.34

Finding the Fourth Proportional to 51,187.32, 70,640.68 and 28,526.34

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Solution

The fourth proportional to 51,187.32, 70,640.68 and 28,526.34 is: 39,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,187.32 : 70,640.68 = 28,526.34 : x
  2. Step 2: Convert to fraction form
    51,187.32/70,640.68 = 28,526.34/x
  3. Step 3: Cross multiply
    51,187.32x = 70,640.68 × 28,526.34
  4. Step 4: Simplify right side
    51,187.32x = 2,015,120,055.51
  5. Step 5: Solve for x
    x = 2,015,120,055.51/51,187.32
  6. Step 6: Final answer
    x = 39,367.56

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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.