Home / 56,744.32-78,271.68-40,803.52

Finding the Fourth Proportional to 56,744.32, 78,271.68 and 40,803.52

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Solution

The fourth proportional to 56,744.32, 78,271.68 and 40,803.52 is: 56,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,744.32 : 78,271.68 = 40,803.52 : x
  2. Step 2: Convert to fraction form
    56,744.32/78,271.68 = 40,803.52/x
  3. Step 3: Cross multiply
    56,744.32x = 78,271.68 × 40,803.52
  4. Step 4: Simplify right side
    56,744.32x = 3,193,760,060.31
  5. Step 5: Solve for x
    x = 3,193,760,060.31/56,744.32
  6. Step 6: Final answer
    x = 56,283.34

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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.