Home / 31,547.15-43,534.98-18,119.27

Finding the Fourth Proportional to 31,547.15, 43,534.98 and 18,119.27

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Solution

The fourth proportional to 31,547.15, 43,534.98 and 18,119.27 is: 25,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.15 : 43,534.98 = 18,119.27 : x
  2. Step 2: Convert to fraction form
    31,547.15/43,534.98 = 18,119.27/x
  3. Step 3: Cross multiply
    31,547.15x = 43,534.98 × 18,119.27
  4. Step 4: Simplify right side
    31,547.15x = 788,822,057.06
  5. Step 5: Solve for x
    x = 788,822,057.06/31,547.15
  6. Step 6: Final answer
    x = 25,004.55

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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.