Home / 30,452.32-45,686.26-12,677.08

Finding the Fourth Proportional to 30,452.32, 45,686.26 and 12,677.08

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Solution

The fourth proportional to 30,452.32, 45,686.26 and 12,677.08 is: 19,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452.32 : 45,686.26 = 12,677.08 : x
  2. Step 2: Convert to fraction form
    30,452.32/45,686.26 = 12,677.08/x
  3. Step 3: Cross multiply
    30,452.32x = 45,686.26 × 12,677.08
  4. Step 4: Simplify right side
    30,452.32x = 579,168,461.97
  5. Step 5: Solve for x
    x = 579,168,461.97/30,452.32
  6. Step 6: Final answer
    x = 19,018.86

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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.