Home / 42,733.65-64,113.42-30,277.77

Finding the Fourth Proportional to 42,733.65, 64,113.42 and 30,277.77

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Solution

The fourth proportional to 42,733.65, 64,113.42 and 30,277.77 is: 45,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,733.65 : 64,113.42 = 30,277.77 : x
  2. Step 2: Convert to fraction form
    42,733.65/64,113.42 = 30,277.77/x
  3. Step 3: Cross multiply
    42,733.65x = 64,113.42 × 30,277.77
  4. Step 4: Simplify right side
    42,733.65x = 1,941,211,384.67
  5. Step 5: Solve for x
    x = 1,941,211,384.67/42,733.65
  6. Step 6: Final answer
    x = 45,425.83

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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.