Home / 56,359.84-77,776.68-30,518.68

Finding the Fourth Proportional to 56,359.84, 77,776.68 and 30,518.68

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Solution

The fourth proportional to 56,359.84, 77,776.68 and 30,518.68 is: 42,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.84 : 77,776.68 = 30,518.68 : x
  2. Step 2: Convert to fraction form
    56,359.84/77,776.68 = 30,518.68/x
  3. Step 3: Cross multiply
    56,359.84x = 77,776.68 × 30,518.68
  4. Step 4: Simplify right side
    56,359.84x = 2,373,641,608.38
  5. Step 5: Solve for x
    x = 2,373,641,608.38/56,359.84
  6. Step 6: Final answer
    x = 42,115.83

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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.