Home / 48,279.92-66,623.51-28,140.08

Finding the Fourth Proportional to 48,279.92, 66,623.51 and 28,140.08

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Solution

The fourth proportional to 48,279.92, 66,623.51 and 28,140.08 is: 38,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.92 : 66,623.51 = 28,140.08 : x
  2. Step 2: Convert to fraction form
    48,279.92/66,623.51 = 28,140.08/x
  3. Step 3: Cross multiply
    48,279.92x = 66,623.51 × 28,140.08
  4. Step 4: Simplify right side
    48,279.92x = 1,874,790,638.51
  5. Step 5: Solve for x
    x = 1,874,790,638.51/48,279.92
  6. Step 6: Final answer
    x = 38,831.69

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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.