Home / 32,829.06-45,292.86-18,678.36

Finding the Fourth Proportional to 32,829.06, 45,292.86 and 18,678.36

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Solution

The fourth proportional to 32,829.06, 45,292.86 and 18,678.36 is: 25,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,829.06 : 45,292.86 = 18,678.36 : x
  2. Step 2: Convert to fraction form
    32,829.06/45,292.86 = 18,678.36/x
  3. Step 3: Cross multiply
    32,829.06x = 45,292.86 × 18,678.36
  4. Step 4: Simplify right side
    32,829.06x = 845,996,344.51
  5. Step 5: Solve for x
    x = 845,996,344.51/32,829.06
  6. Step 6: Final answer
    x = 25,769.74

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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.