Home / 48,439.17-72,658.67-12,900.51

Finding the Fourth Proportional to 48,439.17, 72,658.67 and 12,900.51

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Solution

The fourth proportional to 48,439.17, 72,658.67 and 12,900.51 is: 19,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.17 : 72,658.67 = 12,900.51 : x
  2. Step 2: Convert to fraction form
    48,439.17/72,658.67 = 12,900.51/x
  3. Step 3: Cross multiply
    48,439.17x = 72,658.67 × 12,900.51
  4. Step 4: Simplify right side
    48,439.17x = 937,333,834.42
  5. Step 5: Solve for x
    x = 937,333,834.42/48,439.17
  6. Step 6: Final answer
    x = 19,350.74

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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.