Home / 51,008.67-70,395.90-28,349.53

Finding the Fourth Proportional to 51,008.67, 70,395.90 and 28,349.53

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Solution

The fourth proportional to 51,008.67, 70,395.90 and 28,349.53 is: 39,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.67 : 70,395.90 = 28,349.53 : x
  2. Step 2: Convert to fraction form
    51,008.67/70,395.90 = 28,349.53/x
  3. Step 3: Cross multiply
    51,008.67x = 70,395.90 × 28,349.53
  4. Step 4: Simplify right side
    51,008.67x = 1,995,690,678.93
  5. Step 5: Solve for x
    x = 1,995,690,678.93/51,008.67
  6. Step 6: Final answer
    x = 39,124.54

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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.