Home / 31,752.15-43,808.49-18,323.16

Finding the Fourth Proportional to 31,752.15, 43,808.49 and 18,323.16

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Solution

The fourth proportional to 31,752.15, 43,808.49 and 18,323.16 is: 25,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.15 : 43,808.49 = 18,323.16 : x
  2. Step 2: Convert to fraction form
    31,752.15/43,808.49 = 18,323.16/x
  3. Step 3: Cross multiply
    31,752.15x = 43,808.49 × 18,323.16
  4. Step 4: Simplify right side
    31,752.15x = 802,709,971.63
  5. Step 5: Solve for x
    x = 802,709,971.63/31,752.15
  6. Step 6: Final answer
    x = 25,280.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.