Home / 31,548.30-47,322.45-28,632.30

Finding the Fourth Proportional to 31,548.30, 47,322.45 and 28,632.30

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Solution

The fourth proportional to 31,548.30, 47,322.45 and 28,632.30 is: 42,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.30 : 47,322.45 = 28,632.30 : x
  2. Step 2: Convert to fraction form
    31,548.30/47,322.45 = 28,632.30/x
  3. Step 3: Cross multiply
    31,548.30x = 47,322.45 × 28,632.30
  4. Step 4: Simplify right side
    31,548.30x = 1,354,950,585.14
  5. Step 5: Solve for x
    x = 1,354,950,585.14/31,548.30
  6. Step 6: Final answer
    x = 42,948.45

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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.