Home / 43,011.68-64,521.50-16,718.40

Finding the Fourth Proportional to 43,011.68, 64,521.50 and 16,718.40

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Solution

The fourth proportional to 43,011.68, 64,521.50 and 16,718.40 is: 25,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,011.68 : 64,521.50 = 16,718.40 : x
  2. Step 2: Convert to fraction form
    43,011.68/64,521.50 = 16,718.40/x
  3. Step 3: Cross multiply
    43,011.68x = 64,521.50 × 16,718.40
  4. Step 4: Simplify right side
    43,011.68x = 1,078,696,162.01
  5. Step 5: Solve for x
    x = 1,078,696,162.01/43,011.68
  6. Step 6: Final answer
    x = 25,079.15

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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.