Home / 55,586.24-76,708.48-30,435.68

Finding the Fourth Proportional to 55,586.24, 76,708.48 and 30,435.68

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Solution

The fourth proportional to 55,586.24, 76,708.48 and 30,435.68 is: 42,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.24 : 76,708.48 = 30,435.68 : x
  2. Step 2: Convert to fraction form
    55,586.24/76,708.48 = 30,435.68/x
  3. Step 3: Cross multiply
    55,586.24x = 76,708.48 × 30,435.68
  4. Step 4: Simplify right side
    55,586.24x = 2,334,674,750.57
  5. Step 5: Solve for x
    x = 2,334,674,750.57/55,586.24
  6. Step 6: Final answer
    x = 42,000.95

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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.