Home / 39,016.34-53,842.15-21,110.95

Finding the Fourth Proportional to 39,016.34, 53,842.15 and 21,110.95

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Solution

The fourth proportional to 39,016.34, 53,842.15 and 21,110.95 is: 29,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016.34 : 53,842.15 = 21,110.95 : x
  2. Step 2: Convert to fraction form
    39,016.34/53,842.15 = 21,110.95/x
  3. Step 3: Cross multiply
    39,016.34x = 53,842.15 × 21,110.95
  4. Step 4: Simplify right side
    39,016.34x = 1,136,658,830.99
  5. Step 5: Solve for x
    x = 1,136,658,830.99/39,016.34
  6. Step 6: Final answer
    x = 29,132.89

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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.