Home / 55,275.36-76,281.84-30,125.76

Finding the Fourth Proportional to 55,275.36, 76,281.84 and 30,125.76

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Solution

The fourth proportional to 55,275.36, 76,281.84 and 30,125.76 is: 41,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.36 : 76,281.84 = 30,125.76 : x
  2. Step 2: Convert to fraction form
    55,275.36/76,281.84 = 30,125.76/x
  3. Step 3: Cross multiply
    55,275.36x = 76,281.84 × 30,125.76
  4. Step 4: Simplify right side
    55,275.36x = 2,298,048,404.20
  5. Step 5: Solve for x
    x = 2,298,048,404.20/55,275.36
  6. Step 6: Final answer
    x = 41,574.55

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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.