Home / 29,870.56-44,762.10-18,155.53

Finding the Fourth Proportional to 29,870.56, 44,762.10 and 18,155.53

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Solution

The fourth proportional to 29,870.56, 44,762.10 and 18,155.53 is: 27,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.56 : 44,762.10 = 18,155.53 : x
  2. Step 2: Convert to fraction form
    29,870.56/44,762.10 = 18,155.53/x
  3. Step 3: Cross multiply
    29,870.56x = 44,762.10 × 18,155.53
  4. Step 4: Simplify right side
    29,870.56x = 812,679,649.41
  5. Step 5: Solve for x
    x = 812,679,649.41/29,870.56
  6. Step 6: Final answer
    x = 27,206.71

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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.