Home / 30,032.23-41,444.64-16,420.32

Finding the Fourth Proportional to 30,032.23, 41,444.64 and 16,420.32

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Solution

The fourth proportional to 30,032.23, 41,444.64 and 16,420.32 is: 22,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,032.23 : 41,444.64 = 16,420.32 : x
  2. Step 2: Convert to fraction form
    30,032.23/41,444.64 = 16,420.32/x
  3. Step 3: Cross multiply
    30,032.23x = 41,444.64 × 16,420.32
  4. Step 4: Simplify right side
    30,032.23x = 680,534,043.86
  5. Step 5: Solve for x
    x = 680,534,043.86/30,032.23
  6. Step 6: Final answer
    x = 22,660.12

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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.