Home / 35,088.10-48,421.62-19,980.76

Finding the Fourth Proportional to 35,088.10, 48,421.62 and 19,980.76

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Solution

The fourth proportional to 35,088.10, 48,421.62 and 19,980.76 is: 27,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,088.10 : 48,421.62 = 19,980.76 : x
  2. Step 2: Convert to fraction form
    35,088.10/48,421.62 = 19,980.76/x
  3. Step 3: Cross multiply
    35,088.10x = 48,421.62 × 19,980.76
  4. Step 4: Simplify right side
    35,088.10x = 967,500,768.03
  5. Step 5: Solve for x
    x = 967,500,768.03/35,088.10
  6. Step 6: Final answer
    x = 27,573.47

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Half scale
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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.