Home / 43,410.30-65,117.37-13,830.30

Finding the Fourth Proportional to 43,410.30, 65,117.37 and 13,830.30

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Solution

The fourth proportional to 43,410.30, 65,117.37 and 13,830.30 is: 20,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,410.30 : 65,117.37 = 13,830.30 : x
  2. Step 2: Convert to fraction form
    43,410.30/65,117.37 = 13,830.30/x
  3. Step 3: Cross multiply
    43,410.30x = 65,117.37 × 13,830.30
  4. Step 4: Simplify right side
    43,410.30x = 900,592,762.31
  5. Step 5: Solve for x
    x = 900,592,762.31/43,410.30
  6. Step 6: Final answer
    x = 20,746.06

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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.