Home / 55,275.34-76,280.23-31,403.33

Finding the Fourth Proportional to 55,275.34, 76,280.23 and 31,403.33

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Solution

The fourth proportional to 55,275.34, 76,280.23 and 31,403.33 is: 43,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.34 : 76,280.23 = 31,403.33 : x
  2. Step 2: Convert to fraction form
    55,275.34/76,280.23 = 31,403.33/x
  3. Step 3: Cross multiply
    55,275.34x = 76,280.23 × 31,403.33
  4. Step 4: Simplify right side
    55,275.34x = 2,395,452,853.76
  5. Step 5: Solve for x
    x = 2,395,452,853.76/55,275.34
  6. Step 6: Final answer
    x = 43,336.74

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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.