Home / 30,381.90-45,806.64-29,837.58

Finding the Fourth Proportional to 30,381.90, 45,806.64 and 29,837.58

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Solution

The fourth proportional to 30,381.90, 45,806.64 and 29,837.58 is: 44,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.90 : 45,806.64 = 29,837.58 : x
  2. Step 2: Convert to fraction form
    30,381.90/45,806.64 = 29,837.58/x
  3. Step 3: Cross multiply
    30,381.90x = 45,806.64 × 29,837.58
  4. Step 4: Simplify right side
    30,381.90x = 1,366,759,285.53
  5. Step 5: Solve for x
    x = 1,366,759,285.53/30,381.90
  6. Step 6: Final answer
    x = 44,985.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.