Home / 51,009.53-70,388.64-28,347.08

Finding the Fourth Proportional to 51,009.53, 70,388.64 and 28,347.08

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Solution

The fourth proportional to 51,009.53, 70,388.64 and 28,347.08 is: 39,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.53 : 70,388.64 = 28,347.08 : x
  2. Step 2: Convert to fraction form
    51,009.53/70,388.64 = 28,347.08/x
  3. Step 3: Cross multiply
    51,009.53x = 70,388.64 × 28,347.08
  4. Step 4: Simplify right side
    51,009.53x = 1,995,312,057.23
  5. Step 5: Solve for x
    x = 1,995,312,057.23/51,009.53
  6. Step 6: Final answer
    x = 39,116.46

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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.