Home / 35,088.56-48,420.08-19,981.86

Finding the Fourth Proportional to 35,088.56, 48,420.08 and 19,981.86

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Solution

The fourth proportional to 35,088.56, 48,420.08 and 19,981.86 is: 27,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,088.56 : 48,420.08 = 19,981.86 : x
  2. Step 2: Convert to fraction form
    35,088.56/48,420.08 = 19,981.86/x
  3. Step 3: Cross multiply
    35,088.56x = 48,420.08 × 19,981.86
  4. Step 4: Simplify right side
    35,088.56x = 967,523,053.20
  5. Step 5: Solve for x
    x = 967,523,053.20/35,088.56
  6. Step 6: Final answer
    x = 27,573.75

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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.