Home / 42,325.74-63,495.90-12,741.10

Finding the Fourth Proportional to 42,325.74, 63,495.90 and 12,741.10

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Solution

The fourth proportional to 42,325.74, 63,495.90 and 12,741.10 is: 19,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,325.74 : 63,495.90 = 12,741.10 : x
  2. Step 2: Convert to fraction form
    42,325.74/63,495.90 = 12,741.10/x
  3. Step 3: Cross multiply
    42,325.74x = 63,495.90 × 12,741.10
  4. Step 4: Simplify right side
    42,325.74x = 809,007,452.75
  5. Step 5: Solve for x
    x = 809,007,452.75/42,325.74
  6. Step 6: Final answer
    x = 19,113.84

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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.