Home / 55,312.64-76,331.30-30,162.14

Finding the Fourth Proportional to 55,312.64, 76,331.30 and 30,162.14

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Solution

The fourth proportional to 55,312.64, 76,331.30 and 30,162.14 is: 41,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.64 : 76,331.30 = 30,162.14 : x
  2. Step 2: Convert to fraction form
    55,312.64/76,331.30 = 30,162.14/x
  3. Step 3: Cross multiply
    55,312.64x = 76,331.30 × 30,162.14
  4. Step 4: Simplify right side
    55,312.64x = 2,302,315,356.98
  5. Step 5: Solve for x
    x = 2,302,315,356.98/55,312.64
  6. Step 6: Final answer
    x = 41,623.68

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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.