Home / 37,957.05-56,897.46-12,980.00

Finding the Fourth Proportional to 37,957.05, 56,897.46 and 12,980.00

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Solution

The fourth proportional to 37,957.05, 56,897.46 and 12,980.00 is: 19,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,957.05 : 56,897.46 = 12,980.00 : x
  2. Step 2: Convert to fraction form
    37,957.05/56,897.46 = 12,980.00/x
  3. Step 3: Cross multiply
    37,957.05x = 56,897.46 × 12,980.00
  4. Step 4: Simplify right side
    37,957.05x = 738,529,276.62
  5. Step 5: Solve for x
    x = 738,529,276.62/37,957.05
  6. Step 6: Final answer
    x = 19,456.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.