Home / 33,070.47-45,639.53-18,730.13

Finding the Fourth Proportional to 33,070.47, 45,639.53 and 18,730.13

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Solution

The fourth proportional to 33,070.47, 45,639.53 and 18,730.13 is: 25,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.47 : 45,639.53 = 18,730.13 : x
  2. Step 2: Convert to fraction form
    33,070.47/45,639.53 = 18,730.13/x
  3. Step 3: Cross multiply
    33,070.47x = 45,639.53 × 18,730.13
  4. Step 4: Simplify right side
    33,070.47x = 854,834,008.19
  5. Step 5: Solve for x
    x = 854,834,008.19/33,070.47
  6. Step 6: Final answer
    x = 25,848.86

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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.