Home / 47,089.80-65,005.20-29,209.32

Finding the Fourth Proportional to 47,089.80, 65,005.20 and 29,209.32

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Solution

The fourth proportional to 47,089.80, 65,005.20 and 29,209.32 is: 40,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089.80 : 65,005.20 = 29,209.32 : x
  2. Step 2: Convert to fraction form
    47,089.80/65,005.20 = 29,209.32/x
  3. Step 3: Cross multiply
    47,089.80x = 65,005.20 × 29,209.32
  4. Step 4: Simplify right side
    47,089.80x = 1,898,757,688.46
  5. Step 5: Solve for x
    x = 1,898,757,688.46/47,089.80
  6. Step 6: Final answer
    x = 40,322.06

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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.