Home / 34,643.32-47,807.80-18,727.76

Finding the Fourth Proportional to 34,643.32, 47,807.80 and 18,727.76

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Solution

The fourth proportional to 34,643.32, 47,807.80 and 18,727.76 is: 25,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,643.32 : 47,807.80 = 18,727.76 : x
  2. Step 2: Convert to fraction form
    34,643.32/47,807.80 = 18,727.76/x
  3. Step 3: Cross multiply
    34,643.32x = 47,807.80 × 18,727.76
  4. Step 4: Simplify right side
    34,643.32x = 895,333,004.53
  5. Step 5: Solve for x
    x = 895,333,004.53/34,643.32
  6. Step 6: Final answer
    x = 25,844.32

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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.