Home / 29,221.92-40,316.40-16,637.76

Finding the Fourth Proportional to 29,221.92, 40,316.40 and 16,637.76

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Solution

The fourth proportional to 29,221.92, 40,316.40 and 16,637.76 is: 22,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.92 : 40,316.40 = 16,637.76 : x
  2. Step 2: Convert to fraction form
    29,221.92/40,316.40 = 16,637.76/x
  3. Step 3: Cross multiply
    29,221.92x = 40,316.40 × 16,637.76
  4. Step 4: Simplify right side
    29,221.92x = 670,774,587.26
  5. Step 5: Solve for x
    x = 670,774,587.26/29,221.92
  6. Step 6: Final answer
    x = 22,954.50

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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.