Home / 51,152.37-70,587.48-28,177.69

Finding the Fourth Proportional to 51,152.37, 70,587.48 and 28,177.69

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Solution

The fourth proportional to 51,152.37, 70,587.48 and 28,177.69 is: 38,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.37 : 70,587.48 = 28,177.69 : x
  2. Step 2: Convert to fraction form
    51,152.37/70,587.48 = 28,177.69/x
  3. Step 3: Cross multiply
    51,152.37x = 70,587.48 × 28,177.69
  4. Step 4: Simplify right side
    51,152.37x = 1,988,992,129.32
  5. Step 5: Solve for x
    x = 1,988,992,129.32/51,152.37
  6. Step 6: Final answer
    x = 38,883.67

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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.