Home / 30,811.08-42,509.36-24,330.15

Finding the Fourth Proportional to 30,811.08, 42,509.36 and 24,330.15

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Solution

The fourth proportional to 30,811.08, 42,509.36 and 24,330.15 is: 33,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,811.08 : 42,509.36 = 24,330.15 : x
  2. Step 2: Convert to fraction form
    30,811.08/42,509.36 = 24,330.15/x
  3. Step 3: Cross multiply
    30,811.08x = 42,509.36 × 24,330.15
  4. Step 4: Simplify right side
    30,811.08x = 1,034,258,909.61
  5. Step 5: Solve for x
    x = 1,034,258,909.61/30,811.08
  6. Step 6: Final answer
    x = 33,567.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.