Home / 43,400.79-65,101.98-15,320.16

Finding the Fourth Proportional to 43,400.79, 65,101.98 and 15,320.16

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Solution

The fourth proportional to 43,400.79, 65,101.98 and 15,320.16 is: 22,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,400.79 : 65,101.98 = 15,320.16 : x
  2. Step 2: Convert to fraction form
    43,400.79/65,101.98 = 15,320.16/x
  3. Step 3: Cross multiply
    43,400.79x = 65,101.98 × 15,320.16
  4. Step 4: Simplify right side
    43,400.79x = 997,372,904.29
  5. Step 5: Solve for x
    x = 997,372,904.29/43,400.79
  6. Step 6: Final answer
    x = 22,980.53

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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.