Home / 42,476.19-63,704.86-25,776.31

Finding the Fourth Proportional to 42,476.19, 63,704.86 and 25,776.31

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Solution

The fourth proportional to 42,476.19, 63,704.86 and 25,776.31 is: 38,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,476.19 : 63,704.86 = 25,776.31 : x
  2. Step 2: Convert to fraction form
    42,476.19/63,704.86 = 25,776.31/x
  3. Step 3: Cross multiply
    42,476.19x = 63,704.86 × 25,776.31
  4. Step 4: Simplify right side
    42,476.19x = 1,642,076,219.87
  5. Step 5: Solve for x
    x = 1,642,076,219.87/42,476.19
  6. Step 6: Final answer
    x = 38,658.75

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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.