Home / 37,886.69-52,284.05-20,890.98

Finding the Fourth Proportional to 37,886.69, 52,284.05 and 20,890.98

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Solution

The fourth proportional to 37,886.69, 52,284.05 and 20,890.98 is: 28,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.69 : 52,284.05 = 20,890.98 : x
  2. Step 2: Convert to fraction form
    37,886.69/52,284.05 = 20,890.98/x
  3. Step 3: Cross multiply
    37,886.69x = 52,284.05 × 20,890.98
  4. Step 4: Simplify right side
    37,886.69x = 1,092,264,938.41
  5. Step 5: Solve for x
    x = 1,092,264,938.41/37,886.69
  6. Step 6: Final answer
    x = 28,829.78

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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.