Home / 31,385.07-46,959.57-18,688.23

Finding the Fourth Proportional to 31,385.07, 46,959.57 and 18,688.23

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Solution

The fourth proportional to 31,385.07, 46,959.57 and 18,688.23 is: 27,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385.07 : 46,959.57 = 18,688.23 : x
  2. Step 2: Convert to fraction form
    31,385.07/46,959.57 = 18,688.23/x
  3. Step 3: Cross multiply
    31,385.07x = 46,959.57 × 18,688.23
  4. Step 4: Simplify right side
    31,385.07x = 877,591,244.86
  5. Step 5: Solve for x
    x = 877,591,244.86/31,385.07
  6. Step 6: Final answer
    x = 27,962.06

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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.