Home / 31,388.52-47,042.74-14,711.77

Finding the Fourth Proportional to 31,388.52, 47,042.74 and 14,711.77

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Solution

The fourth proportional to 31,388.52, 47,042.74 and 14,711.77 is: 22,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.52 : 47,042.74 = 14,711.77 : x
  2. Step 2: Convert to fraction form
    31,388.52/47,042.74 = 14,711.77/x
  3. Step 3: Cross multiply
    31,388.52x = 47,042.74 × 14,711.77
  4. Step 4: Simplify right side
    31,388.52x = 692,081,971.05
  5. Step 5: Solve for x
    x = 692,081,971.05/31,388.52
  6. Step 6: Final answer
    x = 22,048.89

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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.