Home / 31,436.69-47,156.13-10,377.23

Finding the Fourth Proportional to 31,436.69, 47,156.13 and 10,377.23

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Solution

The fourth proportional to 31,436.69, 47,156.13 and 10,377.23 is: 15,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.69 : 47,156.13 = 10,377.23 : x
  2. Step 2: Convert to fraction form
    31,436.69/47,156.13 = 10,377.23/x
  3. Step 3: Cross multiply
    31,436.69x = 47,156.13 × 10,377.23
  4. Step 4: Simplify right side
    31,436.69x = 489,349,771.14
  5. Step 5: Solve for x
    x = 489,349,771.14/31,436.69
  6. Step 6: Final answer
    x = 15,566.20

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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.