Home / 48,029.20-72,043.80-45,110.80

Finding the Fourth Proportional to 48,029.20, 72,043.80 and 45,110.80

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Solution

The fourth proportional to 48,029.20, 72,043.80 and 45,110.80 is: 67,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,029.20 : 72,043.80 = 45,110.80 : x
  2. Step 2: Convert to fraction form
    48,029.20/72,043.80 = 45,110.80/x
  3. Step 3: Cross multiply
    48,029.20x = 72,043.80 × 45,110.80
  4. Step 4: Simplify right side
    48,029.20x = 3,249,953,453.04
  5. Step 5: Solve for x
    x = 3,249,953,453.04/48,029.20
  6. Step 6: Final answer
    x = 67,666.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.