Home / 29,421.65-44,127.81-12,777.21

Finding the Fourth Proportional to 29,421.65, 44,127.81 and 12,777.21

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Solution

The fourth proportional to 29,421.65, 44,127.81 and 12,777.21 is: 19,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.65 : 44,127.81 = 12,777.21 : x
  2. Step 2: Convert to fraction form
    29,421.65/44,127.81 = 12,777.21/x
  3. Step 3: Cross multiply
    29,421.65x = 44,127.81 × 12,777.21
  4. Step 4: Simplify right side
    29,421.65x = 563,830,343.12
  5. Step 5: Solve for x
    x = 563,830,343.12/29,421.65
  6. Step 6: Final answer
    x = 19,163.79

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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.