Home / 51,243.23-70,715.73-28,581.63

Finding the Fourth Proportional to 51,243.23, 70,715.73 and 28,581.63

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Solution

The fourth proportional to 51,243.23, 70,715.73 and 28,581.63 is: 39,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.23 : 70,715.73 = 28,581.63 : x
  2. Step 2: Convert to fraction form
    51,243.23/70,715.73 = 28,581.63/x
  3. Step 3: Cross multiply
    51,243.23x = 70,715.73 × 28,581.63
  4. Step 4: Simplify right side
    51,243.23x = 2,021,170,672.04
  5. Step 5: Solve for x
    x = 2,021,170,672.04/51,243.23
  6. Step 6: Final answer
    x = 39,442.68

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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.