Home / 42,777.25-64,147.48-14,700.12

Finding the Fourth Proportional to 42,777.25, 64,147.48 and 14,700.12

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Solution

The fourth proportional to 42,777.25, 64,147.48 and 14,700.12 is: 22,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,777.25 : 64,147.48 = 14,700.12 : x
  2. Step 2: Convert to fraction form
    42,777.25/64,147.48 = 14,700.12/x
  3. Step 3: Cross multiply
    42,777.25x = 64,147.48 × 14,700.12
  4. Step 4: Simplify right side
    42,777.25x = 942,975,376.39
  5. Step 5: Solve for x
    x = 942,975,376.39/42,777.25
  6. Step 6: Final answer
    x = 22,043.85

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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.