Home / 53,427.73-73,793.01-42,709.72

Finding the Fourth Proportional to 53,427.73, 73,793.01 and 42,709.72

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Solution

The fourth proportional to 53,427.73, 73,793.01 and 42,709.72 is: 58,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,427.73 : 73,793.01 = 42,709.72 : x
  2. Step 2: Convert to fraction form
    53,427.73/73,793.01 = 42,709.72/x
  3. Step 3: Cross multiply
    53,427.73x = 73,793.01 × 42,709.72
  4. Step 4: Simplify right side
    53,427.73x = 3,151,678,795.06
  5. Step 5: Solve for x
    x = 3,151,678,795.06/53,427.73
  6. Step 6: Final answer
    x = 58,989.57

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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.