Home / 31,774.65-47,630.99-15,130.22

Finding the Fourth Proportional to 31,774.65, 47,630.99 and 15,130.22

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Solution

The fourth proportional to 31,774.65, 47,630.99 and 15,130.22 is: 22,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,774.65 : 47,630.99 = 15,130.22 : x
  2. Step 2: Convert to fraction form
    31,774.65/47,630.99 = 15,130.22/x
  3. Step 3: Cross multiply
    31,774.65x = 47,630.99 × 15,130.22
  4. Step 4: Simplify right side
    31,774.65x = 720,667,043.71
  5. Step 5: Solve for x
    x = 720,667,043.71/31,774.65
  6. Step 6: Final answer
    x = 22,680.57

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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.