Home / 32,470.80-44,794.32-21,136.16

Finding the Fourth Proportional to 32,470.80, 44,794.32 and 21,136.16

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Solution

The fourth proportional to 32,470.80, 44,794.32 and 21,136.16 is: 29,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,470.80 : 44,794.32 = 21,136.16 : x
  2. Step 2: Convert to fraction form
    32,470.80/44,794.32 = 21,136.16/x
  3. Step 3: Cross multiply
    32,470.80x = 44,794.32 × 21,136.16
  4. Step 4: Simplify right side
    32,470.80x = 946,779,914.61
  5. Step 5: Solve for x
    x = 946,779,914.61/32,470.80
  6. Step 6: Final answer
    x = 29,157.89

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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.