Home / 57,052.80-78,725.88-31,555.62

Finding the Fourth Proportional to 57,052.80, 78,725.88 and 31,555.62

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Solution

The fourth proportional to 57,052.80, 78,725.88 and 31,555.62 is: 43,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052.80 : 78,725.88 = 31,555.62 : x
  2. Step 2: Convert to fraction form
    57,052.80/78,725.88 = 31,555.62/x
  3. Step 3: Cross multiply
    57,052.80x = 78,725.88 × 31,555.62
  4. Step 4: Simplify right side
    57,052.80x = 2,484,243,953.45
  5. Step 5: Solve for x
    x = 2,484,243,953.45/57,052.80
  6. Step 6: Final answer
    x = 43,542.89

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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.