Home / 37,830.60-56,780.88-19,123.80

Finding the Fourth Proportional to 37,830.60, 56,780.88 and 19,123.80

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Solution

The fourth proportional to 37,830.60, 56,780.88 and 19,123.80 is: 28,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,830.60 : 56,780.88 = 19,123.80 : x
  2. Step 2: Convert to fraction form
    37,830.60/56,780.88 = 19,123.80/x
  3. Step 3: Cross multiply
    37,830.60x = 56,780.88 × 19,123.80
  4. Step 4: Simplify right side
    37,830.60x = 1,085,866,192.94
  5. Step 5: Solve for x
    x = 1,085,866,192.94/37,830.60
  6. Step 6: Final answer
    x = 28,703.38

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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.