Home / 37,475.30-56,212.95-18,812.90

Finding the Fourth Proportional to 37,475.30, 56,212.95 and 18,812.90

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Solution

The fourth proportional to 37,475.30, 56,212.95 and 18,812.90 is: 28,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,475.30 : 56,212.95 = 18,812.90 : x
  2. Step 2: Convert to fraction form
    37,475.30/56,212.95 = 18,812.90/x
  3. Step 3: Cross multiply
    37,475.30x = 56,212.95 × 18,812.90
  4. Step 4: Simplify right side
    37,475.30x = 1,057,528,607.06
  5. Step 5: Solve for x
    x = 1,057,528,607.06/37,475.30
  6. Step 6: Final answer
    x = 28,219.35

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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.