Home / 56,328.45-77,732.10-30,834.21

Finding the Fourth Proportional to 56,328.45, 77,732.10 and 30,834.21

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Solution

The fourth proportional to 56,328.45, 77,732.10 and 30,834.21 is: 42,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,328.45 : 77,732.10 = 30,834.21 : x
  2. Step 2: Convert to fraction form
    56,328.45/77,732.10 = 30,834.21/x
  3. Step 3: Cross multiply
    56,328.45x = 77,732.10 × 30,834.21
  4. Step 4: Simplify right side
    56,328.45x = 2,396,807,895.14
  5. Step 5: Solve for x
    x = 2,396,807,895.14/56,328.45
  6. Step 6: Final answer
    x = 42,550.57

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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.