Home / 31,439.51-43,386.53-17,292.35

Finding the Fourth Proportional to 31,439.51, 43,386.53 and 17,292.35

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Solution

The fourth proportional to 31,439.51, 43,386.53 and 17,292.35 is: 23,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439.51 : 43,386.53 = 17,292.35 : x
  2. Step 2: Convert to fraction form
    31,439.51/43,386.53 = 17,292.35/x
  3. Step 3: Cross multiply
    31,439.51x = 43,386.53 × 17,292.35
  4. Step 4: Simplify right side
    31,439.51x = 750,255,062.05
  5. Step 5: Solve for x
    x = 750,255,062.05/31,439.51
  6. Step 6: Final answer
    x = 23,863.45

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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.