Home / 55,607.58-76,738.48-30,457.08

Finding the Fourth Proportional to 55,607.58, 76,738.48 and 30,457.08

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Solution

The fourth proportional to 55,607.58, 76,738.48 and 30,457.08 is: 42,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.58 : 76,738.48 = 30,457.08 : x
  2. Step 2: Convert to fraction form
    55,607.58/76,738.48 = 30,457.08/x
  3. Step 3: Cross multiply
    55,607.58x = 76,738.48 × 30,457.08
  4. Step 4: Simplify right side
    55,607.58x = 2,337,230,024.44
  5. Step 5: Solve for x
    x = 2,337,230,024.44/55,607.58
  6. Step 6: Final answer
    x = 42,030.78

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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.