Home / 55,275.68-76,292.76-35,128.64

Finding the Fourth Proportional to 55,275.68, 76,292.76 and 35,128.64

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Solution

The fourth proportional to 55,275.68, 76,292.76 and 35,128.64 is: 48,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.68 : 76,292.76 = 35,128.64 : x
  2. Step 2: Convert to fraction form
    55,275.68/76,292.76 = 35,128.64/x
  3. Step 3: Cross multiply
    55,275.68x = 76,292.76 × 35,128.64
  4. Step 4: Simplify right side
    55,275.68x = 2,680,060,900.65
  5. Step 5: Solve for x
    x = 2,680,060,900.65/55,275.68
  6. Step 6: Final answer
    x = 48,485.35

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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.