Home / 55,468.10-76,545.95-30,317.60

Finding the Fourth Proportional to 55,468.10, 76,545.95 and 30,317.60

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Solution

The fourth proportional to 55,468.10, 76,545.95 and 30,317.60 is: 41,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,468.10 : 76,545.95 = 30,317.60 : x
  2. Step 2: Convert to fraction form
    55,468.10/76,545.95 = 30,317.60/x
  3. Step 3: Cross multiply
    55,468.10x = 76,545.95 × 30,317.60
  4. Step 4: Simplify right side
    55,468.10x = 2,320,688,959.40
  5. Step 5: Solve for x
    x = 2,320,688,959.40/55,468.10
  6. Step 6: Final answer
    x = 41,838.27

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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.