Home / 50,841.81-70,165.91-28,187.91

Finding the Fourth Proportional to 50,841.81, 70,165.91 and 28,187.91

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Solution

The fourth proportional to 50,841.81, 70,165.91 and 28,187.91 is: 38,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,841.81 : 70,165.91 = 28,187.91 : x
  2. Step 2: Convert to fraction form
    50,841.81/70,165.91 = 28,187.91/x
  3. Step 3: Cross multiply
    50,841.81x = 70,165.91 × 28,187.91
  4. Step 4: Simplify right side
    50,841.81x = 1,977,830,356.15
  5. Step 5: Solve for x
    x = 1,977,830,356.15/50,841.81
  6. Step 6: Final answer
    x = 38,901.65

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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.