Home / 40,022.04-60,039.54-12,320.04

Finding the Fourth Proportional to 40,022.04, 60,039.54 and 12,320.04

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Solution

The fourth proportional to 40,022.04, 60,039.54 and 12,320.04 is: 18,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.04 : 60,039.54 = 12,320.04 : x
  2. Step 2: Convert to fraction form
    40,022.04/60,039.54 = 12,320.04/x
  3. Step 3: Cross multiply
    40,022.04x = 60,039.54 × 12,320.04
  4. Step 4: Simplify right side
    40,022.04x = 739,689,534.38
  5. Step 5: Solve for x
    x = 739,689,534.38/40,022.04
  6. Step 6: Final answer
    x = 18,482.05

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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.