Home / 51,330.86-70,836.94-28,670.12

Finding the Fourth Proportional to 51,330.86, 70,836.94 and 28,670.12

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Solution

The fourth proportional to 51,330.86, 70,836.94 and 28,670.12 is: 39,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,330.86 : 70,836.94 = 28,670.12 : x
  2. Step 2: Convert to fraction form
    51,330.86/70,836.94 = 28,670.12/x
  3. Step 3: Cross multiply
    51,330.86x = 70,836.94 × 28,670.12
  4. Step 4: Simplify right side
    51,330.86x = 2,030,903,570.23
  5. Step 5: Solve for x
    x = 2,030,903,570.23/51,330.86
  6. Step 6: Final answer
    x = 39,564.96

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1.5x scale

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.