Home / 51,141.48-70,575.05-28,480.74

Finding the Fourth Proportional to 51,141.48, 70,575.05 and 28,480.74

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Solution

The fourth proportional to 51,141.48, 70,575.05 and 28,480.74 is: 39,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,141.48 : 70,575.05 = 28,480.74 : x
  2. Step 2: Convert to fraction form
    51,141.48/70,575.05 = 28,480.74/x
  3. Step 3: Cross multiply
    51,141.48x = 70,575.05 × 28,480.74
  4. Step 4: Simplify right side
    51,141.48x = 2,010,029,494.37
  5. Step 5: Solve for x
    x = 2,010,029,494.37/51,141.48
  6. Step 6: Final answer
    x = 39,303.31

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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.