Home / 31,776.94-47,666.66-9,590.32

Finding the Fourth Proportional to 31,776.94, 47,666.66 and 9,590.32

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Solution

The fourth proportional to 31,776.94, 47,666.66 and 9,590.32 is: 14,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.94 : 47,666.66 = 9,590.32 : x
  2. Step 2: Convert to fraction form
    31,776.94/47,666.66 = 9,590.32/x
  3. Step 3: Cross multiply
    31,776.94x = 47,666.66 × 9,590.32
  4. Step 4: Simplify right side
    31,776.94x = 457,138,320.18
  5. Step 5: Solve for x
    x = 457,138,320.18/31,776.94
  6. Step 6: Final answer
    x = 14,385.85

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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.