Home / 42,376.53-63,565.30-12,795.67

Finding the Fourth Proportional to 42,376.53, 63,565.30 and 12,795.67

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Solution

The fourth proportional to 42,376.53, 63,565.30 and 12,795.67 is: 19,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376.53 : 63,565.30 = 12,795.67 : x
  2. Step 2: Convert to fraction form
    42,376.53/63,565.30 = 12,795.67/x
  3. Step 3: Cross multiply
    42,376.53x = 63,565.30 × 12,795.67
  4. Step 4: Simplify right side
    42,376.53x = 813,360,284.42
  5. Step 5: Solve for x
    x = 813,360,284.42/42,376.53
  6. Step 6: Final answer
    x = 19,193.65

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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.