Home / 56,851.20-85,276.80-30,568.32

Finding the Fourth Proportional to 56,851.20, 85,276.80 and 30,568.32

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Solution

The fourth proportional to 56,851.20, 85,276.80 and 30,568.32 is: 45,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,851.20 : 85,276.80 = 30,568.32 : x
  2. Step 2: Convert to fraction form
    56,851.20/85,276.80 = 30,568.32/x
  3. Step 3: Cross multiply
    56,851.20x = 85,276.80 × 30,568.32
  4. Step 4: Simplify right side
    56,851.20x = 2,606,768,510.98
  5. Step 5: Solve for x
    x = 2,606,768,510.98/56,851.20
  6. Step 6: Final answer
    x = 45,852.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.