Home / 48,477.84-72,686.94-18,861.12

Finding the Fourth Proportional to 48,477.84, 72,686.94 and 18,861.12

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Solution

The fourth proportional to 48,477.84, 72,686.94 and 18,861.12 is: 28,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,477.84 : 72,686.94 = 18,861.12 : x
  2. Step 2: Convert to fraction form
    48,477.84/72,686.94 = 18,861.12/x
  3. Step 3: Cross multiply
    48,477.84x = 72,686.94 × 18,861.12
  4. Step 4: Simplify right side
    48,477.84x = 1,370,957,097.77
  5. Step 5: Solve for x
    x = 1,370,957,097.77/48,477.84
  6. Step 6: Final answer
    x = 28,280.08

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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.