Home / 63,378.12-87,382.35-40,677.06

Finding the Fourth Proportional to 63,378.12, 87,382.35 and 40,677.06

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Solution

The fourth proportional to 63,378.12, 87,382.35 and 40,677.06 is: 56,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,378.12 : 87,382.35 = 40,677.06 : x
  2. Step 2: Convert to fraction form
    63,378.12/87,382.35 = 40,677.06/x
  3. Step 3: Cross multiply
    63,378.12x = 87,382.35 × 40,677.06
  4. Step 4: Simplify right side
    63,378.12x = 3,554,457,093.89
  5. Step 5: Solve for x
    x = 3,554,457,093.89/63,378.12
  6. Step 6: Final answer
    x = 56,083.35

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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.