Home / 30,898.88-42,608.46-26,437.40

Finding the Fourth Proportional to 30,898.88, 42,608.46 and 26,437.40

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Solution

The fourth proportional to 30,898.88, 42,608.46 and 26,437.40 is: 36,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.88 : 42,608.46 = 26,437.40 : x
  2. Step 2: Convert to fraction form
    30,898.88/42,608.46 = 26,437.40/x
  3. Step 3: Cross multiply
    30,898.88x = 42,608.46 × 26,437.40
  4. Step 4: Simplify right side
    30,898.88x = 1,126,456,900.40
  5. Step 5: Solve for x
    x = 1,126,456,900.40/30,898.88
  6. Step 6: Final answer
    x = 36,456.24

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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.