Home / 32,841.77-45,313.29-20,090.28

Finding the Fourth Proportional to 32,841.77, 45,313.29 and 20,090.28

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Solution

The fourth proportional to 32,841.77, 45,313.29 and 20,090.28 is: 27,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,841.77 : 45,313.29 = 20,090.28 : x
  2. Step 2: Convert to fraction form
    32,841.77/45,313.29 = 20,090.28/x
  3. Step 3: Cross multiply
    32,841.77x = 45,313.29 × 20,090.28
  4. Step 4: Simplify right side
    32,841.77x = 910,356,683.82
  5. Step 5: Solve for x
    x = 910,356,683.82/32,841.77
  6. Step 6: Final answer
    x = 27,719.48

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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.