Home / 31,159.68-46,718.56-14,510.40

Finding the Fourth Proportional to 31,159.68, 46,718.56 and 14,510.40

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Solution

The fourth proportional to 31,159.68, 46,718.56 and 14,510.40 is: 21,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.68 : 46,718.56 = 14,510.40 : x
  2. Step 2: Convert to fraction form
    31,159.68/46,718.56 = 14,510.40/x
  3. Step 3: Cross multiply
    31,159.68x = 46,718.56 × 14,510.40
  4. Step 4: Simplify right side
    31,159.68x = 677,904,993.02
  5. Step 5: Solve for x
    x = 677,904,993.02/31,159.68
  6. Step 6: Final answer
    x = 21,755.84

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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.