Home / 48,561.40-73,004.10-42,146.20

Finding the Fourth Proportional to 48,561.40, 73,004.10 and 42,146.20

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Solution

The fourth proportional to 48,561.40, 73,004.10 and 42,146.20 is: 63,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,561.40 : 73,004.10 = 42,146.20 : x
  2. Step 2: Convert to fraction form
    48,561.40/73,004.10 = 42,146.20/x
  3. Step 3: Cross multiply
    48,561.40x = 73,004.10 × 42,146.20
  4. Step 4: Simplify right side
    48,561.40x = 3,076,845,399.42
  5. Step 5: Solve for x
    x = 3,076,845,399.42/48,561.40
  6. Step 6: Final answer
    x = 63,359.90

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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.