Home / 56,763.80-78,330.60-32,886.35

Finding the Fourth Proportional to 56,763.80, 78,330.60 and 32,886.35

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Solution

The fourth proportional to 56,763.80, 78,330.60 and 32,886.35 is: 45,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,763.80 : 78,330.60 = 32,886.35 : x
  2. Step 2: Convert to fraction form
    56,763.80/78,330.60 = 32,886.35/x
  3. Step 3: Cross multiply
    56,763.80x = 78,330.60 × 32,886.35
  4. Step 4: Simplify right side
    56,763.80x = 2,576,007,527.31
  5. Step 5: Solve for x
    x = 2,576,007,527.31/56,763.80
  6. Step 6: Final answer
    x = 45,381.17

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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.