Home / 30,197.23-45,256.73-12,407.74

Finding the Fourth Proportional to 30,197.23, 45,256.73 and 12,407.74

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Solution

The fourth proportional to 30,197.23, 45,256.73 and 12,407.74 is: 18,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.23 : 45,256.73 = 12,407.74 : x
  2. Step 2: Convert to fraction form
    30,197.23/45,256.73 = 12,407.74/x
  3. Step 3: Cross multiply
    30,197.23x = 45,256.73 × 12,407.74
  4. Step 4: Simplify right side
    30,197.23x = 561,533,563.91
  5. Step 5: Solve for x
    x = 561,533,563.91/30,197.23
  6. Step 6: Final answer
    x = 18,595.53

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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.