Home / 42,103.99-63,122.73-21,032.45

Finding the Fourth Proportional to 42,103.99, 63,122.73 and 21,032.45

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Solution

The fourth proportional to 42,103.99, 63,122.73 and 21,032.45 is: 31,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,103.99 : 63,122.73 = 21,032.45 : x
  2. Step 2: Convert to fraction form
    42,103.99/63,122.73 = 21,032.45/x
  3. Step 3: Cross multiply
    42,103.99x = 63,122.73 × 21,032.45
  4. Step 4: Simplify right side
    42,103.99x = 1,327,625,504.81
  5. Step 5: Solve for x
    x = 1,327,625,504.81/42,103.99
  6. Step 6: Final answer
    x = 31,532.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.