Home / 47,350.98-65,354.85-30,368.79

Finding the Fourth Proportional to 47,350.98, 65,354.85 and 30,368.79

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Solution

The fourth proportional to 47,350.98, 65,354.85 and 30,368.79 is: 41,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,350.98 : 65,354.85 = 30,368.79 : x
  2. Step 2: Convert to fraction form
    47,350.98/65,354.85 = 30,368.79/x
  3. Step 3: Cross multiply
    47,350.98x = 65,354.85 × 30,368.79
  4. Step 4: Simplify right side
    47,350.98x = 1,984,747,715.13
  5. Step 5: Solve for x
    x = 1,984,747,715.13/47,350.98
  6. Step 6: Final answer
    x = 41,915.66

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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.