Home / 30,528.90-45,793.35-27,807.30

Finding the Fourth Proportional to 30,528.90, 45,793.35 and 27,807.30

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Solution

The fourth proportional to 30,528.90, 45,793.35 and 27,807.30 is: 41,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.90 : 45,793.35 = 27,807.30 : x
  2. Step 2: Convert to fraction form
    30,528.90/45,793.35 = 27,807.30/x
  3. Step 3: Cross multiply
    30,528.90x = 45,793.35 × 27,807.30
  4. Step 4: Simplify right side
    30,528.90x = 1,273,389,421.46
  5. Step 5: Solve for x
    x = 1,273,389,421.46/30,528.90
  6. Step 6: Final answer
    x = 41,710.95

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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.