Home / 64,430.75-96,607.29-28,885.64

Finding the Fourth Proportional to 64,430.75, 96,607.29 and 28,885.64

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Solution

The fourth proportional to 64,430.75, 96,607.29 and 28,885.64 is: 43,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.75 : 96,607.29 = 28,885.64 : x
  2. Step 2: Convert to fraction form
    64,430.75/96,607.29 = 28,885.64/x
  3. Step 3: Cross multiply
    64,430.75x = 96,607.29 × 28,885.64
  4. Step 4: Simplify right side
    64,430.75x = 2,790,563,158.80
  5. Step 5: Solve for x
    x = 2,790,563,158.80/64,430.75
  6. Step 6: Final answer
    x = 43,311.05

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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.