Home / 40,277.70-60,416.55-13,985.10

Finding the Fourth Proportional to 40,277.70, 60,416.55 and 13,985.10

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Solution

The fourth proportional to 40,277.70, 60,416.55 and 13,985.10 is: 20,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.70 : 60,416.55 = 13,985.10 : x
  2. Step 2: Convert to fraction form
    40,277.70/60,416.55 = 13,985.10/x
  3. Step 3: Cross multiply
    40,277.70x = 60,416.55 × 13,985.10
  4. Step 4: Simplify right side
    40,277.70x = 844,931,493.41
  5. Step 5: Solve for x
    x = 844,931,493.41/40,277.70
  6. Step 6: Final answer
    x = 20,977.65

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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.