Home / 42,763.65-58,975.36-27,640.41

Finding the Fourth Proportional to 42,763.65, 58,975.36 and 27,640.41

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Solution

The fourth proportional to 42,763.65, 58,975.36 and 27,640.41 is: 38,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,763.65 : 58,975.36 = 27,640.41 : x
  2. Step 2: Convert to fraction form
    42,763.65/58,975.36 = 27,640.41/x
  3. Step 3: Cross multiply
    42,763.65x = 58,975.36 × 27,640.41
  4. Step 4: Simplify right side
    42,763.65x = 1,630,103,130.30
  5. Step 5: Solve for x
    x = 1,630,103,130.30/42,763.65
  6. Step 6: Final answer
    x = 38,118.90

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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.