Home / 42,645.65-58,875.08-28,330.02

Finding the Fourth Proportional to 42,645.65, 58,875.08 and 28,330.02

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Solution

The fourth proportional to 42,645.65, 58,875.08 and 28,330.02 is: 39,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645.65 : 58,875.08 = 28,330.02 : x
  2. Step 2: Convert to fraction form
    42,645.65/58,875.08 = 28,330.02/x
  3. Step 3: Cross multiply
    42,645.65x = 58,875.08 × 28,330.02
  4. Step 4: Simplify right side
    42,645.65x = 1,667,932,052.25
  5. Step 5: Solve for x
    x = 1,667,932,052.25/42,645.65
  6. Step 6: Final answer
    x = 39,111.43

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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.