Home / 37,909.80-56,864.70-13,285.80

Finding the Fourth Proportional to 37,909.80, 56,864.70 and 13,285.80

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Solution

The fourth proportional to 37,909.80, 56,864.70 and 13,285.80 is: 19,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,909.80 : 56,864.70 = 13,285.80 : x
  2. Step 2: Convert to fraction form
    37,909.80/56,864.70 = 13,285.80/x
  3. Step 3: Cross multiply
    37,909.80x = 56,864.70 × 13,285.80
  4. Step 4: Simplify right side
    37,909.80x = 755,493,031.26
  5. Step 5: Solve for x
    x = 755,493,031.26/37,909.80
  6. Step 6: Final answer
    x = 19,928.70

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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.