Home / 31,135.64-46,703.18-8,948.93

Finding the Fourth Proportional to 31,135.64, 46,703.18 and 8,948.93

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Solution

The fourth proportional to 31,135.64, 46,703.18 and 8,948.93 is: 13,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.64 : 46,703.18 = 8,948.93 : x
  2. Step 2: Convert to fraction form
    31,135.64/46,703.18 = 8,948.93/x
  3. Step 3: Cross multiply
    31,135.64x = 46,703.18 × 8,948.93
  4. Step 4: Simplify right side
    31,135.64x = 417,943,277.45
  5. Step 5: Solve for x
    x = 417,943,277.45/31,135.64
  6. Step 6: Final answer
    x = 13,423.31

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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.