Home / 31,810.50-43,902.54-19,235.34

Finding the Fourth Proportional to 31,810.50, 43,902.54 and 19,235.34

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Solution

The fourth proportional to 31,810.50, 43,902.54 and 19,235.34 is: 26,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.50 : 43,902.54 = 19,235.34 : x
  2. Step 2: Convert to fraction form
    31,810.50/43,902.54 = 19,235.34/x
  3. Step 3: Cross multiply
    31,810.50x = 43,902.54 × 19,235.34
  4. Step 4: Simplify right side
    31,810.50x = 844,480,283.76
  5. Step 5: Solve for x
    x = 844,480,283.76/31,810.50
  6. Step 6: Final answer
    x = 26,547.22

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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.