Home / 49,699.42-68,587.59-28,478.74

Finding the Fourth Proportional to 49,699.42, 68,587.59 and 28,478.74

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Solution

The fourth proportional to 49,699.42, 68,587.59 and 28,478.74 is: 39,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,699.42 : 68,587.59 = 28,478.74 : x
  2. Step 2: Convert to fraction form
    49,699.42/68,587.59 = 28,478.74/x
  3. Step 3: Cross multiply
    49,699.42x = 68,587.59 × 28,478.74
  4. Step 4: Simplify right side
    49,699.42x = 1,953,288,142.84
  5. Step 5: Solve for x
    x = 1,953,288,142.84/49,699.42
  6. Step 6: Final answer
    x = 39,302.03

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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.