Home / 30,227.58-45,341.77-13,126.53

Finding the Fourth Proportional to 30,227.58, 45,341.77 and 13,126.53

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Solution

The fourth proportional to 30,227.58, 45,341.77 and 13,126.53 is: 19,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.58 : 45,341.77 = 13,126.53 : x
  2. Step 2: Convert to fraction form
    30,227.58/45,341.77 = 13,126.53/x
  3. Step 3: Cross multiply
    30,227.58x = 45,341.77 × 13,126.53
  4. Step 4: Simplify right side
    30,227.58x = 595,180,038.53
  5. Step 5: Solve for x
    x = 595,180,038.53/30,227.58
  6. Step 6: Final answer
    x = 19,689.97

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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.