Home / 29,777.76-44,670.16-13,130.72

Finding the Fourth Proportional to 29,777.76, 44,670.16 and 13,130.72

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Solution

The fourth proportional to 29,777.76, 44,670.16 and 13,130.72 is: 19,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,777.76 : 44,670.16 = 13,130.72 : x
  2. Step 2: Convert to fraction form
    29,777.76/44,670.16 = 13,130.72/x
  3. Step 3: Cross multiply
    29,777.76x = 44,670.16 × 13,130.72
  4. Step 4: Simplify right side
    29,777.76x = 586,551,363.32
  5. Step 5: Solve for x
    x = 586,551,363.32/29,777.76
  6. Step 6: Final answer
    x = 19,697.63

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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.