Home / 53,390.64-73,686.48-30,729.24

Finding the Fourth Proportional to 53,390.64, 73,686.48 and 30,729.24

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Solution

The fourth proportional to 53,390.64, 73,686.48 and 30,729.24 is: 42,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.64 : 73,686.48 = 30,729.24 : x
  2. Step 2: Convert to fraction form
    53,390.64/73,686.48 = 30,729.24/x
  3. Step 3: Cross multiply
    53,390.64x = 73,686.48 × 30,729.24
  4. Step 4: Simplify right side
    53,390.64x = 2,264,329,528.68
  5. Step 5: Solve for x
    x = 2,264,329,528.68/53,390.64
  6. Step 6: Final answer
    x = 42,410.61

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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.