Home / 40,457.34-60,660.64-12,368.05

Finding the Fourth Proportional to 40,457.34, 60,660.64 and 12,368.05

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Solution

The fourth proportional to 40,457.34, 60,660.64 and 12,368.05 is: 18,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,457.34 : 60,660.64 = 12,368.05 : x
  2. Step 2: Convert to fraction form
    40,457.34/60,660.64 = 12,368.05/x
  3. Step 3: Cross multiply
    40,457.34x = 60,660.64 × 12,368.05
  4. Step 4: Simplify right side
    40,457.34x = 750,253,828.55
  5. Step 5: Solve for x
    x = 750,253,828.55/40,457.34
  6. Step 6: Final answer
    x = 18,544.32

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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.