Home / 45,273.78-62,502.56-30,955.14

Finding the Fourth Proportional to 45,273.78, 62,502.56 and 30,955.14

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Solution

The fourth proportional to 45,273.78, 62,502.56 and 30,955.14 is: 42,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.78 : 62,502.56 = 30,955.14 : x
  2. Step 2: Convert to fraction form
    45,273.78/62,502.56 = 30,955.14/x
  3. Step 3: Cross multiply
    45,273.78x = 62,502.56 × 30,955.14
  4. Step 4: Simplify right side
    45,273.78x = 1,934,775,495.16
  5. Step 5: Solve for x
    x = 1,934,775,495.16/45,273.78
  6. Step 6: Final answer
    x = 42,735.01

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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.