Home / 42,000.72-62,967.06-15,701.64

Finding the Fourth Proportional to 42,000.72, 62,967.06 and 15,701.64

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Solution

The fourth proportional to 42,000.72, 62,967.06 and 15,701.64 is: 23,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.72 : 62,967.06 = 15,701.64 : x
  2. Step 2: Convert to fraction form
    42,000.72/62,967.06 = 15,701.64/x
  3. Step 3: Cross multiply
    42,000.72x = 62,967.06 × 15,701.64
  4. Step 4: Simplify right side
    42,000.72x = 988,686,107.98
  5. Step 5: Solve for x
    x = 988,686,107.98/42,000.72
  6. Step 6: Final answer
    x = 23,539.74

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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.