Home / 51,077.79-70,489.64-42,565.67

Finding the Fourth Proportional to 51,077.79, 70,489.64 and 42,565.67

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Solution

The fourth proportional to 51,077.79, 70,489.64 and 42,565.67 is: 58,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,077.79 : 70,489.64 = 42,565.67 : x
  2. Step 2: Convert to fraction form
    51,077.79/70,489.64 = 42,565.67/x
  3. Step 3: Cross multiply
    51,077.79x = 70,489.64 × 42,565.67
  4. Step 4: Simplify right side
    51,077.79x = 3,000,438,754.66
  5. Step 5: Solve for x
    x = 3,000,438,754.66/51,077.79
  6. Step 6: Final answer
    x = 58,742.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.