Home / 31,130.12-46,695.03-14,480.98

Finding the Fourth Proportional to 31,130.12, 46,695.03 and 14,480.98

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Solution

The fourth proportional to 31,130.12, 46,695.03 and 14,480.98 is: 21,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130.12 : 46,695.03 = 14,480.98 : x
  2. Step 2: Convert to fraction form
    31,130.12/46,695.03 = 14,480.98/x
  3. Step 3: Cross multiply
    31,130.12x = 46,695.03 × 14,480.98
  4. Step 4: Simplify right side
    31,130.12x = 676,189,795.53
  5. Step 5: Solve for x
    x = 676,189,795.53/31,130.12
  6. Step 6: Final answer
    x = 21,721.40

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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.