Home / 30,429.95-45,643.37-10,708.65

Finding the Fourth Proportional to 30,429.95, 45,643.37 and 10,708.65

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Solution

The fourth proportional to 30,429.95, 45,643.37 and 10,708.65 is: 16,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.95 : 45,643.37 = 10,708.65 : x
  2. Step 2: Convert to fraction form
    30,429.95/45,643.37 = 10,708.65/x
  3. Step 3: Cross multiply
    30,429.95x = 45,643.37 × 10,708.65
  4. Step 4: Simplify right side
    30,429.95x = 488,778,820.61
  5. Step 5: Solve for x
    x = 488,778,820.61/30,429.95
  6. Step 6: Final answer
    x = 16,062.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.