Home / 30,232.60-45,356.10-12,693.40

Finding the Fourth Proportional to 30,232.60, 45,356.10 and 12,693.40

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Solution

The fourth proportional to 30,232.60, 45,356.10 and 12,693.40 is: 19,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.60 : 45,356.10 = 12,693.40 : x
  2. Step 2: Convert to fraction form
    30,232.60/45,356.10 = 12,693.40/x
  3. Step 3: Cross multiply
    30,232.60x = 45,356.10 × 12,693.40
  4. Step 4: Simplify right side
    30,232.60x = 575,723,119.74
  5. Step 5: Solve for x
    x = 575,723,119.74/30,232.60
  6. Step 6: Final answer
    x = 19,043.12

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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.