Home / 52,400.34-72,336.78-30,883.32

Finding the Fourth Proportional to 52,400.34, 72,336.78 and 30,883.32

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Solution

The fourth proportional to 52,400.34, 72,336.78 and 30,883.32 is: 42,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,400.34 : 72,336.78 = 30,883.32 : x
  2. Step 2: Convert to fraction form
    52,400.34/72,336.78 = 30,883.32/x
  3. Step 3: Cross multiply
    52,400.34x = 72,336.78 × 30,883.32
  4. Step 4: Simplify right side
    52,400.34x = 2,233,999,924.51
  5. Step 5: Solve for x
    x = 2,233,999,924.51/52,400.34
  6. Step 6: Final answer
    x = 42,633.31

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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.