Home / 42,520.48-63,739.08-15,846.94

Finding the Fourth Proportional to 42,520.48, 63,739.08 and 15,846.94

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Solution

The fourth proportional to 42,520.48, 63,739.08 and 15,846.94 is: 23,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520.48 : 63,739.08 = 15,846.94 : x
  2. Step 2: Convert to fraction form
    42,520.48/63,739.08 = 15,846.94/x
  3. Step 3: Cross multiply
    42,520.48x = 63,739.08 × 15,846.94
  4. Step 4: Simplify right side
    42,520.48x = 1,010,069,376.42
  5. Step 5: Solve for x
    x = 1,010,069,376.42/42,520.48
  6. Step 6: Final answer
    x = 23,754.89

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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.