Home / 42,506.02-63,759.30-12,923.74

Finding the Fourth Proportional to 42,506.02, 63,759.30 and 12,923.74

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Solution

The fourth proportional to 42,506.02, 63,759.30 and 12,923.74 is: 19,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,506.02 : 63,759.30 = 12,923.74 : x
  2. Step 2: Convert to fraction form
    42,506.02/63,759.30 = 12,923.74/x
  3. Step 3: Cross multiply
    42,506.02x = 63,759.30 × 12,923.74
  4. Step 4: Simplify right side
    42,506.02x = 824,008,615.78
  5. Step 5: Solve for x
    x = 824,008,615.78/42,506.02
  6. Step 6: Final answer
    x = 19,385.69

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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.