Home / 35,721.84-53,582.76-12,335.52

Finding the Fourth Proportional to 35,721.84, 53,582.76 and 12,335.52

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Solution

The fourth proportional to 35,721.84, 53,582.76 and 12,335.52 is: 18,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.84 : 53,582.76 = 12,335.52 : x
  2. Step 2: Convert to fraction form
    35,721.84/53,582.76 = 12,335.52/x
  3. Step 3: Cross multiply
    35,721.84x = 53,582.76 × 12,335.52
  4. Step 4: Simplify right side
    35,721.84x = 660,971,207.64
  5. Step 5: Solve for x
    x = 660,971,207.64/35,721.84
  6. Step 6: Final answer
    x = 18,503.28

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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.