Home / 31,117.13-46,678.38-13,348.60

Finding the Fourth Proportional to 31,117.13, 46,678.38 and 13,348.60

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Solution

The fourth proportional to 31,117.13, 46,678.38 and 13,348.60 is: 20,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.13 : 46,678.38 = 13,348.60 : x
  2. Step 2: Convert to fraction form
    31,117.13/46,678.38 = 13,348.60/x
  3. Step 3: Cross multiply
    31,117.13x = 46,678.38 × 13,348.60
  4. Step 4: Simplify right side
    31,117.13x = 623,090,856.51
  5. Step 5: Solve for x
    x = 623,090,856.51/31,117.13
  6. Step 6: Final answer
    x = 20,024.05

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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.