Home / 30,339.48-45,508.77-18,496.74

Finding the Fourth Proportional to 30,339.48, 45,508.77 and 18,496.74

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Solution

The fourth proportional to 30,339.48, 45,508.77 and 18,496.74 is: 27,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.48 : 45,508.77 = 18,496.74 : x
  2. Step 2: Convert to fraction form
    30,339.48/45,508.77 = 18,496.74/x
  3. Step 3: Cross multiply
    30,339.48x = 45,508.77 × 18,496.74
  4. Step 4: Simplify right side
    30,339.48x = 841,763,886.41
  5. Step 5: Solve for x
    x = 841,763,886.41/30,339.48
  6. Step 6: Final answer
    x = 27,744.84

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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.