Home / 31,550.40-47,326.56-14,918.40

Finding the Fourth Proportional to 31,550.40, 47,326.56 and 14,918.40

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Solution

The fourth proportional to 31,550.40, 47,326.56 and 14,918.40 is: 22,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.40 : 47,326.56 = 14,918.40 : x
  2. Step 2: Convert to fraction form
    31,550.40/47,326.56 = 14,918.40/x
  3. Step 3: Cross multiply
    31,550.40x = 47,326.56 × 14,918.40
  4. Step 4: Simplify right side
    31,550.40x = 706,036,552.70
  5. Step 5: Solve for x
    x = 706,036,552.70/31,550.40
  6. Step 6: Final answer
    x = 22,378.05

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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.