Home / 34,079.92-47,043.12-19,937.32

Finding the Fourth Proportional to 34,079.92, 47,043.12 and 19,937.32

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Solution

The fourth proportional to 34,079.92, 47,043.12 and 19,937.32 is: 27,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,079.92 : 47,043.12 = 19,937.32 : x
  2. Step 2: Convert to fraction form
    34,079.92/47,043.12 = 19,937.32/x
  3. Step 3: Cross multiply
    34,079.92x = 47,043.12 × 19,937.32
  4. Step 4: Simplify right side
    34,079.92x = 937,913,737.24
  5. Step 5: Solve for x
    x = 937,913,737.24/34,079.92
  6. Step 6: Final answer
    x = 27,521.01

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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.