Home / 48,569.49-72,811.01-18,980.60

Finding the Fourth Proportional to 48,569.49, 72,811.01 and 18,980.60

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Solution

The fourth proportional to 48,569.49, 72,811.01 and 18,980.60 is: 28,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,569.49 : 72,811.01 = 18,980.60 : x
  2. Step 2: Convert to fraction form
    48,569.49/72,811.01 = 18,980.60/x
  3. Step 3: Cross multiply
    48,569.49x = 72,811.01 × 18,980.60
  4. Step 4: Simplify right side
    48,569.49x = 1,381,996,339.80
  5. Step 5: Solve for x
    x = 1,381,996,339.80/48,569.49
  6. Step 6: Final answer
    x = 28,454.00

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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.