Home / 30,485.16-45,689.62-14,687.22

Finding the Fourth Proportional to 30,485.16, 45,689.62 and 14,687.22

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Solution

The fourth proportional to 30,485.16, 45,689.62 and 14,687.22 is: 22,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.16 : 45,689.62 = 14,687.22 : x
  2. Step 2: Convert to fraction form
    30,485.16/45,689.62 = 14,687.22/x
  3. Step 3: Cross multiply
    30,485.16x = 45,689.62 × 14,687.22
  4. Step 4: Simplify right side
    30,485.16x = 671,053,662.81
  5. Step 5: Solve for x
    x = 671,053,662.81/30,485.16
  6. Step 6: Final answer
    x = 22,012.47

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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.