Home / 29,785.40-44,670.74-8,720.00

Finding the Fourth Proportional to 29,785.40, 44,670.74 and 8,720.00

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Solution

The fourth proportional to 29,785.40, 44,670.74 and 8,720.00 is: 13,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,785.40 : 44,670.74 = 8,720.00 : x
  2. Step 2: Convert to fraction form
    29,785.40/44,670.74 = 8,720.00/x
  3. Step 3: Cross multiply
    29,785.40x = 44,670.74 × 8,720.00
  4. Step 4: Simplify right side
    29,785.40x = 389,528,585.85
  5. Step 5: Solve for x
    x = 389,528,585.85/29,785.40
  6. Step 6: Final answer
    x = 13,077.84

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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.