Home / 30,717.51-42,374.68-17,962.34

Finding the Fourth Proportional to 30,717.51, 42,374.68 and 17,962.34

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Solution

The fourth proportional to 30,717.51, 42,374.68 and 17,962.34 is: 24,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.51 : 42,374.68 = 17,962.34 : x
  2. Step 2: Convert to fraction form
    30,717.51/42,374.68 = 17,962.34/x
  3. Step 3: Cross multiply
    30,717.51x = 42,374.68 × 17,962.34
  4. Step 4: Simplify right side
    30,717.51x = 761,148,152.77
  5. Step 5: Solve for x
    x = 761,148,152.77/30,717.51
  6. Step 6: Final answer
    x = 24,778.97

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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.