Home / 33,421.34-46,117.04-19,987.68

Finding the Fourth Proportional to 33,421.34, 46,117.04 and 19,987.68

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Solution

The fourth proportional to 33,421.34, 46,117.04 and 19,987.68 is: 27,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.34 : 46,117.04 = 19,987.68 : x
  2. Step 2: Convert to fraction form
    33,421.34/46,117.04 = 19,987.68/x
  3. Step 3: Cross multiply
    33,421.34x = 46,117.04 × 19,987.68
  4. Step 4: Simplify right side
    33,421.34x = 921,772,638.07
  5. Step 5: Solve for x
    x = 921,772,638.07/33,421.34
  6. Step 6: Final answer
    x = 27,580.36

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Double scale
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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.