Home / 34,303.40-47,322.12-21,550.15

Finding the Fourth Proportional to 34,303.40, 47,322.12 and 21,550.15

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Solution

The fourth proportional to 34,303.40, 47,322.12 and 21,550.15 is: 29,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,303.40 : 47,322.12 = 21,550.15 : x
  2. Step 2: Convert to fraction form
    34,303.40/47,322.12 = 21,550.15/x
  3. Step 3: Cross multiply
    34,303.40x = 47,322.12 × 21,550.15
  4. Step 4: Simplify right side
    34,303.40x = 1,019,798,924.28
  5. Step 5: Solve for x
    x = 1,019,798,924.28/34,303.40
  6. Step 6: Final answer
    x = 29,728.80

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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.