Home / 30,252.15-45,387.47-15,471.45

Finding the Fourth Proportional to 30,252.15, 45,387.47 and 15,471.45

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Solution

The fourth proportional to 30,252.15, 45,387.47 and 15,471.45 is: 23,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.15 : 45,387.47 = 15,471.45 : x
  2. Step 2: Convert to fraction form
    30,252.15/45,387.47 = 15,471.45/x
  3. Step 3: Cross multiply
    30,252.15x = 45,387.47 × 15,471.45
  4. Step 4: Simplify right side
    30,252.15x = 702,209,895.37
  5. Step 5: Solve for x
    x = 702,209,895.37/30,252.15
  6. Step 6: Final answer
    x = 23,211.90

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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.