Home / 56,760.32-78,357.30-35,551.28

Finding the Fourth Proportional to 56,760.32, 78,357.30 and 35,551.28

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Solution

The fourth proportional to 56,760.32, 78,357.30 and 35,551.28 is: 49,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.32 : 78,357.30 = 35,551.28 : x
  2. Step 2: Convert to fraction form
    56,760.32/78,357.30 = 35,551.28/x
  3. Step 3: Cross multiply
    56,760.32x = 78,357.30 × 35,551.28
  4. Step 4: Simplify right side
    56,760.32x = 2,785,702,312.34
  5. Step 5: Solve for x
    x = 2,785,702,312.34/56,760.32
  6. Step 6: Final answer
    x = 49,078.34

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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.