Home / 42,628.48-58,808.64-40,652.08

Finding the Fourth Proportional to 42,628.48, 58,808.64 and 40,652.08

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Solution

The fourth proportional to 42,628.48, 58,808.64 and 40,652.08 is: 56,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628.48 : 58,808.64 = 40,652.08 : x
  2. Step 2: Convert to fraction form
    42,628.48/58,808.64 = 40,652.08/x
  3. Step 3: Cross multiply
    42,628.48x = 58,808.64 × 40,652.08
  4. Step 4: Simplify right side
    42,628.48x = 2,390,693,537.97
  5. Step 5: Solve for x
    x = 2,390,693,537.97/42,628.48
  6. Step 6: Final answer
    x = 56,082.07

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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.