Home / 51,009.18-70,396.59-28,350.03

Finding the Fourth Proportional to 51,009.18, 70,396.59 and 28,350.03

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Solution

The fourth proportional to 51,009.18, 70,396.59 and 28,350.03 is: 39,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.18 : 70,396.59 = 28,350.03 : x
  2. Step 2: Convert to fraction form
    51,009.18/70,396.59 = 28,350.03/x
  3. Step 3: Cross multiply
    51,009.18x = 70,396.59 × 28,350.03
  4. Step 4: Simplify right side
    51,009.18x = 1,995,745,438.40
  5. Step 5: Solve for x
    x = 1,995,745,438.40/51,009.18
  6. Step 6: Final answer
    x = 39,125.22

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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.