Home / 56,328.48-77,732.10-30,834.18

Finding the Fourth Proportional to 56,328.48, 77,732.10 and 30,834.18

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Solution

The fourth proportional to 56,328.48, 77,732.10 and 30,834.18 is: 42,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,328.48 : 77,732.10 = 30,834.18 : x
  2. Step 2: Convert to fraction form
    56,328.48/77,732.10 = 30,834.18/x
  3. Step 3: Cross multiply
    56,328.48x = 77,732.10 × 30,834.18
  4. Step 4: Simplify right side
    56,328.48x = 2,396,805,563.18
  5. Step 5: Solve for x
    x = 2,396,805,563.18/56,328.48
  6. Step 6: Final answer
    x = 42,550.51

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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.