Home / 30,444.65-42,013.47-17,015.90

Finding the Fourth Proportional to 30,444.65, 42,013.47 and 17,015.90

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Solution

The fourth proportional to 30,444.65, 42,013.47 and 17,015.90 is: 23,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.65 : 42,013.47 = 17,015.90 : x
  2. Step 2: Convert to fraction form
    30,444.65/42,013.47 = 17,015.90/x
  3. Step 3: Cross multiply
    30,444.65x = 42,013.47 × 17,015.90
  4. Step 4: Simplify right side
    30,444.65x = 714,897,004.17
  5. Step 5: Solve for x
    x = 714,897,004.17/30,444.65
  6. Step 6: Final answer
    x = 23,481.86

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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.