Home / 42,570.15-63,855.25-17,582.74

Finding the Fourth Proportional to 42,570.15, 63,855.25 and 17,582.74

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Solution

The fourth proportional to 42,570.15, 63,855.25 and 17,582.74 is: 26,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,570.15 : 63,855.25 = 17,582.74 : x
  2. Step 2: Convert to fraction form
    42,570.15/63,855.25 = 17,582.74/x
  3. Step 3: Cross multiply
    42,570.15x = 63,855.25 × 17,582.74
  4. Step 4: Simplify right side
    42,570.15x = 1,122,750,158.58
  5. Step 5: Solve for x
    x = 1,122,750,158.58/42,570.15
  6. Step 6: Final answer
    x = 26,374.12

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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.