Home / 30,373.20-45,516.98-14,345.65

Finding the Fourth Proportional to 30,373.20, 45,516.98 and 14,345.65

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Solution

The fourth proportional to 30,373.20, 45,516.98 and 14,345.65 is: 21,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,373.20 : 45,516.98 = 14,345.65 : x
  2. Step 2: Convert to fraction form
    30,373.20/45,516.98 = 14,345.65/x
  3. Step 3: Cross multiply
    30,373.20x = 45,516.98 × 14,345.65
  4. Step 4: Simplify right side
    30,373.20x = 652,970,532.41
  5. Step 5: Solve for x
    x = 652,970,532.41/30,373.20
  6. Step 6: Final answer
    x = 21,498.25

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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.