Home / 40,279.55-55,579.58-23,280.51

Finding the Fourth Proportional to 40,279.55, 55,579.58 and 23,280.51

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Solution

The fourth proportional to 40,279.55, 55,579.58 and 23,280.51 is: 32,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.55 : 55,579.58 = 23,280.51 : x
  2. Step 2: Convert to fraction form
    40,279.55/55,579.58 = 23,280.51/x
  3. Step 3: Cross multiply
    40,279.55x = 55,579.58 × 23,280.51
  4. Step 4: Simplify right side
    40,279.55x = 1,293,920,965.63
  5. Step 5: Solve for x
    x = 1,293,920,965.63/40,279.55
  6. Step 6: Final answer
    x = 32,123.52

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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.