Home / 56,989.50-78,643.38-32,794.20

Finding the Fourth Proportional to 56,989.50, 78,643.38 and 32,794.20

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Solution

The fourth proportional to 56,989.50, 78,643.38 and 32,794.20 is: 45,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,989.50 : 78,643.38 = 32,794.20 : x
  2. Step 2: Convert to fraction form
    56,989.50/78,643.38 = 32,794.20/x
  3. Step 3: Cross multiply
    56,989.50x = 78,643.38 × 32,794.20
  4. Step 4: Simplify right side
    56,989.50x = 2,579,046,732.40
  5. Step 5: Solve for x
    x = 2,579,046,732.40/56,989.50
  6. Step 6: Final answer
    x = 45,254.77

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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.