Home / 48,050.01-72,045.18-19,989.72

Finding the Fourth Proportional to 48,050.01, 72,045.18 and 19,989.72

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Solution

The fourth proportional to 48,050.01, 72,045.18 and 19,989.72 is: 29,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,050.01 : 72,045.18 = 19,989.72 : x
  2. Step 2: Convert to fraction form
    48,050.01/72,045.18 = 19,989.72/x
  3. Step 3: Cross multiply
    48,050.01x = 72,045.18 × 19,989.72
  4. Step 4: Simplify right side
    48,050.01x = 1,440,162,975.55
  5. Step 5: Solve for x
    x = 1,440,162,975.55/48,050.01
  6. Step 6: Final answer
    x = 29,972.17

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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.