Home / 51,181.47-70,630.89-28,210.03

Finding the Fourth Proportional to 51,181.47, 70,630.89 and 28,210.03

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Solution

The fourth proportional to 51,181.47, 70,630.89 and 28,210.03 is: 38,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,181.47 : 70,630.89 = 28,210.03 : x
  2. Step 2: Convert to fraction form
    51,181.47/70,630.89 = 28,210.03/x
  3. Step 3: Cross multiply
    51,181.47x = 70,630.89 × 28,210.03
  4. Step 4: Simplify right side
    51,181.47x = 1,992,499,525.83
  5. Step 5: Solve for x
    x = 1,992,499,525.83/51,181.47
  6. Step 6: Final answer
    x = 38,930.10

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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.