Home / 61,890.09-92,824.16-28,148.21

Finding the Fourth Proportional to 61,890.09, 92,824.16 and 28,148.21

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Solution

The fourth proportional to 61,890.09, 92,824.16 and 28,148.21 is: 42,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,890.09 : 92,824.16 = 28,148.21 : x
  2. Step 2: Convert to fraction form
    61,890.09/92,824.16 = 28,148.21/x
  3. Step 3: Cross multiply
    61,890.09x = 92,824.16 × 28,148.21
  4. Step 4: Simplify right side
    61,890.09x = 2,612,833,668.41
  5. Step 5: Solve for x
    x = 2,612,833,668.41/61,890.09
  6. Step 6: Final answer
    x = 42,217.32

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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.