Home / 32,670.40-49,005.60-21,006.40

Finding the Fourth Proportional to 32,670.40, 49,005.60 and 21,006.40

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Solution

The fourth proportional to 32,670.40, 49,005.60 and 21,006.40 is: 31,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,670.40 : 49,005.60 = 21,006.40 : x
  2. Step 2: Convert to fraction form
    32,670.40/49,005.60 = 21,006.40/x
  3. Step 3: Cross multiply
    32,670.40x = 49,005.60 × 21,006.40
  4. Step 4: Simplify right side
    32,670.40x = 1,029,431,235.84
  5. Step 5: Solve for x
    x = 1,029,431,235.84/32,670.40
  6. Step 6: Final answer
    x = 31,509.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.