Home / 30,432.75-42,050.85-23,419.77

Finding the Fourth Proportional to 30,432.75, 42,050.85 and 23,419.77

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Solution

The fourth proportional to 30,432.75, 42,050.85 and 23,419.77 is: 32,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.75 : 42,050.85 = 23,419.77 : x
  2. Step 2: Convert to fraction form
    30,432.75/42,050.85 = 23,419.77/x
  3. Step 3: Cross multiply
    30,432.75x = 42,050.85 × 23,419.77
  4. Step 4: Simplify right side
    30,432.75x = 984,821,235.30
  5. Step 5: Solve for x
    x = 984,821,235.30/30,432.75
  6. Step 6: Final answer
    x = 32,360.57

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Half scale
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Double scale
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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.