Home / 45,303.30-67,919.04-21,598.38

Finding the Fourth Proportional to 45,303.30, 67,919.04 and 21,598.38

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Solution

The fourth proportional to 45,303.30, 67,919.04 and 21,598.38 is: 32,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,303.30 : 67,919.04 = 21,598.38 : x
  2. Step 2: Convert to fraction form
    45,303.30/67,919.04 = 21,598.38/x
  3. Step 3: Cross multiply
    45,303.30x = 67,919.04 × 21,598.38
  4. Step 4: Simplify right side
    45,303.30x = 1,466,941,235.16
  5. Step 5: Solve for x
    x = 1,466,941,235.16/45,303.30
  6. Step 6: Final answer
    x = 32,380.45

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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.