Home / 40,737.40-61,106.10-30,895.90

Finding the Fourth Proportional to 40,737.40, 61,106.10 and 30,895.90

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Solution

The fourth proportional to 40,737.40, 61,106.10 and 30,895.90 is: 46,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,737.40 : 61,106.10 = 30,895.90 : x
  2. Step 2: Convert to fraction form
    40,737.40/61,106.10 = 30,895.90/x
  3. Step 3: Cross multiply
    40,737.40x = 61,106.10 × 30,895.90
  4. Step 4: Simplify right side
    40,737.40x = 1,887,927,954.99
  5. Step 5: Solve for x
    x = 1,887,927,954.99/40,737.40
  6. Step 6: Final answer
    x = 46,343.85

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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.