Home / 48,277.10-72,415.65-20,192.30

Finding the Fourth Proportional to 48,277.10, 72,415.65 and 20,192.30

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Solution

The fourth proportional to 48,277.10, 72,415.65 and 20,192.30 is: 30,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277.10 : 72,415.65 = 20,192.30 : x
  2. Step 2: Convert to fraction form
    48,277.10/72,415.65 = 20,192.30/x
  3. Step 3: Cross multiply
    48,277.10x = 72,415.65 × 20,192.30
  4. Step 4: Simplify right side
    48,277.10x = 1,462,238,529.50
  5. Step 5: Solve for x
    x = 1,462,238,529.50/48,277.10
  6. Step 6: Final answer
    x = 30,288.45

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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.