Home / 37,068.36-51,153.76-21,152.40

Finding the Fourth Proportional to 37,068.36, 51,153.76 and 21,152.40

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Solution

The fourth proportional to 37,068.36, 51,153.76 and 21,152.40 is: 29,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,068.36 : 51,153.76 = 21,152.40 : x
  2. Step 2: Convert to fraction form
    37,068.36/51,153.76 = 21,152.40/x
  3. Step 3: Cross multiply
    37,068.36x = 51,153.76 × 21,152.40
  4. Step 4: Simplify right side
    37,068.36x = 1,082,024,793.02
  5. Step 5: Solve for x
    x = 1,082,024,793.02/37,068.36
  6. Step 6: Final answer
    x = 29,189.98

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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.