Home / 55,608.18-76,739.61-30,457.68

Finding the Fourth Proportional to 55,608.18, 76,739.61 and 30,457.68

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Solution

The fourth proportional to 55,608.18, 76,739.61 and 30,457.68 is: 42,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,608.18 : 76,739.61 = 30,457.68 : x
  2. Step 2: Convert to fraction form
    55,608.18/76,739.61 = 30,457.68/x
  3. Step 3: Cross multiply
    55,608.18x = 76,739.61 × 30,457.68
  4. Step 4: Simplify right side
    55,608.18x = 2,337,310,484.70
  5. Step 5: Solve for x
    x = 2,337,310,484.70/55,608.18
  6. Step 6: Final answer
    x = 42,031.77

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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.