Home / 57,052.32-78,726.15-31,554.64

Finding the Fourth Proportional to 57,052.32, 78,726.15 and 31,554.64

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Solution

The fourth proportional to 57,052.32, 78,726.15 and 31,554.64 is: 43,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052.32 : 78,726.15 = 31,554.64 : x
  2. Step 2: Convert to fraction form
    57,052.32/78,726.15 = 31,554.64/x
  3. Step 3: Cross multiply
    57,052.32x = 78,726.15 × 31,554.64
  4. Step 4: Simplify right side
    57,052.32x = 2,484,174,977.41
  5. Step 5: Solve for x
    x = 2,484,174,977.41/57,052.32
  6. Step 6: Final answer
    x = 43,542.05

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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.