Home / 69,878.63-96,432.73-38,047.72

Finding the Fourth Proportional to 69,878.63, 96,432.73 and 38,047.72

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Solution

The fourth proportional to 69,878.63, 96,432.73 and 38,047.72 is: 52,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,878.63 : 96,432.73 = 38,047.72 : x
  2. Step 2: Convert to fraction form
    69,878.63/96,432.73 = 38,047.72/x
  3. Step 3: Cross multiply
    69,878.63x = 96,432.73 × 38,047.72
  4. Step 4: Simplify right side
    69,878.63x = 3,669,045,604.99
  5. Step 5: Solve for x
    x = 3,669,045,604.99/69,878.63
  6. Step 6: Final answer
    x = 52,505.98

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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.