Home / 38,300.87-52,852.12-21,303.77

Finding the Fourth Proportional to 38,300.87, 52,852.12 and 21,303.77

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Solution

The fourth proportional to 38,300.87, 52,852.12 and 21,303.77 is: 29,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.87 : 52,852.12 = 21,303.77 : x
  2. Step 2: Convert to fraction form
    38,300.87/52,852.12 = 21,303.77/x
  3. Step 3: Cross multiply
    38,300.87x = 52,852.12 × 21,303.77
  4. Step 4: Simplify right side
    38,300.87x = 1,125,949,090.97
  5. Step 5: Solve for x
    x = 1,125,949,090.97/38,300.87
  6. Step 6: Final answer
    x = 29,397.48

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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.