Home / 30,291.73-45,444.90-9,515.23

Finding the Fourth Proportional to 30,291.73, 45,444.90 and 9,515.23

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Solution

The fourth proportional to 30,291.73, 45,444.90 and 9,515.23 is: 14,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.73 : 45,444.90 = 9,515.23 : x
  2. Step 2: Convert to fraction form
    30,291.73/45,444.90 = 9,515.23/x
  3. Step 3: Cross multiply
    30,291.73x = 45,444.90 × 9,515.23
  4. Step 4: Simplify right side
    30,291.73x = 432,418,675.83
  5. Step 5: Solve for x
    x = 432,418,675.83/30,291.73
  6. Step 6: Final answer
    x = 14,275.14

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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.