Home / 42,367.81-63,552.08-10,777.90

Finding the Fourth Proportional to 42,367.81, 63,552.08 and 10,777.90

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Solution

The fourth proportional to 42,367.81, 63,552.08 and 10,777.90 is: 16,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,367.81 : 63,552.08 = 10,777.90 : x
  2. Step 2: Convert to fraction form
    42,367.81/63,552.08 = 10,777.90/x
  3. Step 3: Cross multiply
    42,367.81x = 63,552.08 × 10,777.90
  4. Step 4: Simplify right side
    42,367.81x = 684,957,889.63
  5. Step 5: Solve for x
    x = 684,957,889.63/42,367.81
  6. Step 6: Final answer
    x = 16,166.94

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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.