Home / 32,990.76-49,430.52-21,279.24

Finding the Fourth Proportional to 32,990.76, 49,430.52 and 21,279.24

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Solution

The fourth proportional to 32,990.76, 49,430.52 and 21,279.24 is: 31,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.76 : 49,430.52 = 21,279.24 : x
  2. Step 2: Convert to fraction form
    32,990.76/49,430.52 = 21,279.24/x
  3. Step 3: Cross multiply
    32,990.76x = 49,430.52 × 21,279.24
  4. Step 4: Simplify right side
    32,990.76x = 1,051,843,898.40
  5. Step 5: Solve for x
    x = 1,051,843,898.40/32,990.76
  6. Step 6: Final answer
    x = 31,882.98

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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.