Home / 31,409.86-43,384.08-23,487.34

Finding the Fourth Proportional to 31,409.86, 43,384.08 and 23,487.34

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Solution

The fourth proportional to 31,409.86, 43,384.08 and 23,487.34 is: 32,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.86 : 43,384.08 = 23,487.34 : x
  2. Step 2: Convert to fraction form
    31,409.86/43,384.08 = 23,487.34/x
  3. Step 3: Cross multiply
    31,409.86x = 43,384.08 × 23,487.34
  4. Step 4: Simplify right side
    31,409.86x = 1,018,976,637.55
  5. Step 5: Solve for x
    x = 1,018,976,637.55/31,409.86
  6. Step 6: Final answer
    x = 32,441.30

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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.