Home / 49,385.40-74,045.57-28,038.66

Finding the Fourth Proportional to 49,385.40, 74,045.57 and 28,038.66

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Solution

The fourth proportional to 49,385.40, 74,045.57 and 28,038.66 is: 42,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,385.40 : 74,045.57 = 28,038.66 : x
  2. Step 2: Convert to fraction form
    49,385.40/74,045.57 = 28,038.66/x
  3. Step 3: Cross multiply
    49,385.40x = 74,045.57 × 28,038.66
  4. Step 4: Simplify right side
    49,385.40x = 2,076,138,421.54
  5. Step 5: Solve for x
    x = 2,076,138,421.54/49,385.40
  6. Step 6: Final answer
    x = 42,039.52

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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.