Home / 30,764.07-42,454.59-17,335.53

Finding the Fourth Proportional to 30,764.07, 42,454.59 and 17,335.53

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Solution

The fourth proportional to 30,764.07, 42,454.59 and 17,335.53 is: 23,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.07 : 42,454.59 = 17,335.53 : x
  2. Step 2: Convert to fraction form
    30,764.07/42,454.59 = 17,335.53/x
  3. Step 3: Cross multiply
    30,764.07x = 42,454.59 × 17,335.53
  4. Step 4: Simplify right side
    30,764.07x = 735,972,818.58
  5. Step 5: Solve for x
    x = 735,972,818.58/30,764.07
  6. Step 6: Final answer
    x = 23,923.13

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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.