Home / 48,735.98-72,937.64-40,847.40

Finding the Fourth Proportional to 48,735.98, 72,937.64 and 40,847.40

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Solution

The fourth proportional to 48,735.98, 72,937.64 and 40,847.40 is: 61,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,735.98 : 72,937.64 = 40,847.40 : x
  2. Step 2: Convert to fraction form
    48,735.98/72,937.64 = 40,847.40/x
  3. Step 3: Cross multiply
    48,735.98x = 72,937.64 × 40,847.40
  4. Step 4: Simplify right side
    48,735.98x = 2,979,312,916.70
  5. Step 5: Solve for x
    x = 2,979,312,916.70/48,735.98
  6. Step 6: Final answer
    x = 61,131.69

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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.