Home / 40,320.80-60,457.56-12,232.40

Finding the Fourth Proportional to 40,320.80, 60,457.56 and 12,232.40

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Solution

The fourth proportional to 40,320.80, 60,457.56 and 12,232.40 is: 18,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.80 : 60,457.56 = 12,232.40 : x
  2. Step 2: Convert to fraction form
    40,320.80/60,457.56 = 12,232.40/x
  3. Step 3: Cross multiply
    40,320.80x = 60,457.56 × 12,232.40
  4. Step 4: Simplify right side
    40,320.80x = 739,541,056.94
  5. Step 5: Solve for x
    x = 739,541,056.94/40,320.80
  6. Step 6: Final answer
    x = 18,341.43

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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.