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Finding the Fourth Proportional to 61,509.29, 84,883.07 and 34,652.12

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Solution

The fourth proportional to 61,509.29, 84,883.07 and 34,652.12 is: 47,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,509.29 : 84,883.07 = 34,652.12 : x
  2. Step 2: Convert to fraction form
    61,509.29/84,883.07 = 34,652.12/x
  3. Step 3: Cross multiply
    61,509.29x = 84,883.07 × 34,652.12
  4. Step 4: Simplify right side
    61,509.29x = 2,941,377,989.82
  5. Step 5: Solve for x
    x = 2,941,377,989.82/61,509.29
  6. Step 6: Final answer
    x = 47,820.06

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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.