Home / 30,226.60-45,354.80-13,598.40

Finding the Fourth Proportional to 30,226.60, 45,354.80 and 13,598.40

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Solution

The fourth proportional to 30,226.60, 45,354.80 and 13,598.40 is: 20,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.60 : 45,354.80 = 13,598.40 : x
  2. Step 2: Convert to fraction form
    30,226.60/45,354.80 = 13,598.40/x
  3. Step 3: Cross multiply
    30,226.60x = 45,354.80 × 13,598.40
  4. Step 4: Simplify right side
    30,226.60x = 616,752,712.32
  5. Step 5: Solve for x
    x = 616,752,712.32/30,226.60
  6. Step 6: Final answer
    x = 20,404.30

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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.