Home / 53,116.90-73,298.46-30,454.80

Finding the Fourth Proportional to 53,116.90, 73,298.46 and 30,454.80

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Solution

The fourth proportional to 53,116.90, 73,298.46 and 30,454.80 is: 42,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.90 : 73,298.46 = 30,454.80 : x
  2. Step 2: Convert to fraction form
    53,116.90/73,298.46 = 30,454.80/x
  3. Step 3: Cross multiply
    53,116.90x = 73,298.46 × 30,454.80
  4. Step 4: Simplify right side
    53,116.90x = 2,232,289,939.61
  5. Step 5: Solve for x
    x = 2,232,289,939.61/53,116.90
  6. Step 6: Final answer
    x = 42,025.98

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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.