Home / 31,665.12-47,263.82-27,929.68

Finding the Fourth Proportional to 31,665.12, 47,263.82 and 27,929.68

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Solution

The fourth proportional to 31,665.12, 47,263.82 and 27,929.68 is: 41,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.12 : 47,263.82 = 27,929.68 : x
  2. Step 2: Convert to fraction form
    31,665.12/47,263.82 = 27,929.68/x
  3. Step 3: Cross multiply
    31,665.12x = 47,263.82 × 27,929.68
  4. Step 4: Simplify right side
    31,665.12x = 1,320,063,368.18
  5. Step 5: Solve for x
    x = 1,320,063,368.18/31,665.12
  6. Step 6: Final answer
    x = 41,688.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.