Home / 45,133.81-62,219.75-31,663.31

Finding the Fourth Proportional to 45,133.81, 62,219.75 and 31,663.31

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Solution

The fourth proportional to 45,133.81, 62,219.75 and 31,663.31 is: 43,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,133.81 : 62,219.75 = 31,663.31 : x
  2. Step 2: Convert to fraction form
    45,133.81/62,219.75 = 31,663.31/x
  3. Step 3: Cross multiply
    45,133.81x = 62,219.75 × 31,663.31
  4. Step 4: Simplify right side
    45,133.81x = 1,970,082,762.96
  5. Step 5: Solve for x
    x = 1,970,082,762.96/45,133.81
  6. Step 6: Final answer
    x = 43,649.82

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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.