Home / 30,448.40-45,671.64-18,053.36

Finding the Fourth Proportional to 30,448.40, 45,671.64 and 18,053.36

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Solution

The fourth proportional to 30,448.40, 45,671.64 and 18,053.36 is: 27,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.40 : 45,671.64 = 18,053.36 : x
  2. Step 2: Convert to fraction form
    30,448.40/45,671.64 = 18,053.36/x
  3. Step 3: Cross multiply
    30,448.40x = 45,671.64 × 18,053.36
  4. Step 4: Simplify right side
    30,448.40x = 824,526,558.71
  5. Step 5: Solve for x
    x = 824,526,558.71/30,448.40
  6. Step 6: Final answer
    x = 27,079.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.